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202010230030120 = 23537136493398669
BaseRepresentation
bin101101111011101000101100…
…000000000111111100101000
3222111020222201021002021122221
4231323220230000013330220
5202434213422341430440
61553350115111323424
760356520550534351
oct5573505400077450
9874228637067587
10202010230030120
115940406a502186
121a7a6b29380574
1388946380805c5
1437c54c0dd4d28
151854b3a216d4a
hexb7ba2c007f28

202010230030120 has 32 divisors (see below), whose sum is σ = 466807423451400. Its totient is φ = 78620197632768.

The previous prime is 202010230030051. The next prime is 202010230030181. The reversal of 202010230030120 is 21030032010202.

It can be written as a sum of positive squares in 4 ways, for example, as 197156589232516 + 4853640797604 = 14041246^2 + 2203098^2 .

It is a super-2 number, since 2×2020102300301202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202010230030094 and 202010230030103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68246697855 + ... + 68246700814.

Almost surely, 2202010230030120 is an apocalyptic number.

202010230030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202010230030120 is an abundant number, since it is smaller than the sum of its proper divisors (264797193421280).

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

202010230030120 is a wasteful number, since it uses less digits than its factorization.

202010230030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136493398717 (or 136493398713 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 202010230030120 its reverse (21030032010202), we get a palindrome (223040262040322).

The spelling of 202010230030120 in words is "two hundred two trillion, ten billion, two hundred thirty million, thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 136493398669 272986797338 545973594676 682466993345 1091947189352 1364933986690 2729867973380 5050255750753 5459735946760 10100511501506 20201023003012 25251278753765 40402046006024 50502557507530 101005115015060 202010230030120