204001512 has 64 divisors (see below), whose sum is σ = 599175360. Its totient is φ = 57062400.

The previous prime is 204001471. The next prime is 204001529. The reversal of 204001512 is 215100402.

It is a super-2 number, since 2×204001512² = 83233233796572288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204001491 and 204001500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26289 + ... + 33152.

It is an arithmetic number, because the mean of its divisors is an integer number (9362115).

Almost surely, 2^204001512 is an apocalyptic number.

204001512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

204001512 is an abundant number, since it is smaller than the sum of its proper divisors (395173848).

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

204001512 is a wasteful number, since it uses less digits than its factorization.

204001512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59474 (or 59470 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 204001512 is about 14282.9097875748. The cubic root of 204001512 is about 588.6779860621.

Adding to 204001512 its reverse (215100402), we get a palindrome (419101914).

It can be divided in two parts, 20400 and 1512, that added together give a palindrome (21912).

The spelling of 204001512 in words is "two hundred four million, one thousand, five hundred twelve".