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210202020220120 = 23523240089951649
BaseRepresentation
bin101111110010110101111000…
…101111110000110011011000
31000120021010011012112210220121
4233302311320233300303120
5210022422214134020440
62023021250333003024
762163411005344525
oct5762657057606330
91016233135483817
10210202020220120
1160a821a3505875
121b6aa687323474
139039c72140296
1439c9b9127414c
151947c849b034a
hexbf2d78bf0cd8

210202020220120 has 64 divisors (see below), whose sum is σ = 493520360760000. Its totient is φ = 80424701288448.

The previous prime is 210202020220037. The next prime is 210202020220163. The reversal of 210202020220120 is 21022020202012.

It is a junction number, because it is equal to n+sod(n) for n = 210202020220094 and 210202020220103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220406056 + ... + 221357704.

It is an arithmetic number, because the mean of its divisors is an integer number (7711255636875).

Almost surely, 2210202020220120 is an apocalyptic number.

210202020220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210202020220120 is an abundant number, since it is smaller than the sum of its proper divisors (283318340539880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210202020220120 is a wasteful number, since it uses less digits than its factorization.

210202020220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191772 (or 1191768 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 210202020220120 its reverse (21022020202012), we get a palindrome (231224040422132).

The spelling of 210202020220120 in words is "two hundred ten trillion, two hundred two billion, twenty million, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 240089 480178 951649 960356 1200445 1903298 1920712 2400890 3806596 4758245 4801780 5522047 7613192 9516490 9603560 11044094 19032980 21887927 22088188 27610235 38065960 43775854 44176376 55220470 87551708 109439635 110440940 175103416 218879270 220881880 437758540 875517080 228480456761 456960913522 913921827044 1142402283805 1827843654088 2284804567610 4569609135220 5255050505503 9139218270440 10510101011006 21020202022012 26275252527515 42040404044024 52550505055030 105101010110060 210202020220120