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20000020020200 = 235211101127708733
BaseRepresentation
bin1001000110000100111100…
…00101101011101111101000
32121210222112210010122012122
410203002132011223233220
510110140020111121300
6110311514331130412
74132645066133543
oct443023605535750
977728483118178
1020000020020200
116410a629a1560
1222b017a2a3a08
13b20cbc4a33cc
144d2012b8d85a
1524a3a69dcc85
hex12309e16bbe8

20000020020200 has 192 divisors, whose sum is σ = 51633029560320. Its totient is φ = 7144018560000.

The previous prime is 20000020020143. The next prime is 20000020020223. The reversal of 20000020020200 is 202002000002.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27865034 + ... + 28573766.

It is an arithmetic number, because the mean of its divisors is an integer number (268922028960).

Almost surely, 220000020020200 is an apocalyptic number.

20000020020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000020020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25816514780160).

20000020020200 is an abundant number, since it is smaller than the sum of its proper divisors (31633009540120).

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

20000020020200 is a wasteful number, since it uses less digits than its factorization.

20000020020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708988 (or 708979 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 20000020020200 its reverse (202002000002), we get a palindrome (20202022020202).

The spelling of 20000020020200 in words is "twenty trillion, twenty million, twenty thousand, two hundred".