204002631125400 has 96 divisors (see below), whose sum is σ = 634642814813760. Its totient is φ = 54208472960640.

The previous prime is 204002631125399. The next prime is 204002631125401. The reversal of 204002631125400 is 4521136200402.

It is an interprime number because it is at equal distance from previous prime (204002631125399) and next prime (204002631125401).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204002631125401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 600544662 + ... + 600884261.

It is an arithmetic number, because the mean of its divisors is an integer number (6610862654310).

Almost surely, 2^{204002631125400} is an apocalyptic number.

204002631125400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204002631125400 is an abundant number, since it is smaller than the sum of its proper divisors (430640183688360).

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

204002631125400 is a wasteful number, since it uses less digits than its factorization.

204002631125400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201429225 (or 1201429216 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 204002631125400 its reverse (4521136200402), we get a palindrome (208523767325802).

The spelling of 204002631125400 in words is "two hundred four trillion, two billion, six hundred thirty-one million, one hundred twenty-five thousand, four hundred".