204320012402 has 32 divisors (see below), whose sum is σ = 346915505664. Its totient is φ = 89411097600.

The previous prime is 204320012383. The next prime is 204320012411. The reversal of 204320012402 is 204210023402.

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, 644513 + ... + 907764.

It is an arithmetic number, because the mean of its divisors is an integer number (10841109552).

Almost surely, 2^204320012402 is an apocalyptic number.

204320012402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204320012402 is a deficient number, since it is larger than the sum of its proper divisors (142595493262).

204320012402 is a wasteful number, since it uses less digits than its factorization.

204320012402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552514.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 204320012402 its reverse (204210023402), we get a palindrome (408530035804).

The spelling of 204320012402 in words is "two hundred four billion, three hundred twenty million, twelve thousand, four hundred two".