204013402001 has 16 divisors (see below), whose sum is σ = 219519892368. Its totient is φ = 188909568000.

The previous prime is 204013401961. The next prime is 204013402039. The reversal of 204013402001 is 100204310402.

It can be written as a sum of positive squares in 8 ways, for example, as 122674362001 + 81339040000 = 350249^2 + 285200^2 .

It is a cyclic number.

It is not a de Polignac number, because 204013402001 - 2¹⁴ = 204013385617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204013402051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292661 + ... + 702621.

It is an arithmetic number, because the mean of its divisors is an integer number (13719993273).

Almost surely, 2^204013402001 is an apocalyptic number.

It is an amenable number.

204013402001 is a deficient number, since it is larger than the sum of its proper divisors (15506490367).

204013402001 is a wasteful number, since it uses less digits than its factorization.

204013402001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410452.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 204013402001 its reverse (100204310402), we get a palindrome (304217712403).

The spelling of 204013402001 in words is "two hundred four billion, thirteen million, four hundred two thousand, one".