204010411021 has 8 divisors (see below), whose sum is σ = 220607003520. Its totient is φ = 187924483008.

The previous prime is 204010410991. The next prime is 204010411027. The reversal of 204010411021 is 120114010402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204010411021 - 2²⁷ = 203876193293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204010410986 and 204010411004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204010411027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127665291 + ... + 127666888.

It is an arithmetic number, because the mean of its divisors is an integer number (27575875440).

Almost surely, 2^204010411021 is an apocalyptic number.

It is an amenable number.

204010411021 is a deficient number, since it is larger than the sum of its proper divisors (16596592499).

204010411021 is a wasteful number, since it uses less digits than its factorization.

204010411021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255332243.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 204010411021 its reverse (120114010402), we get a palindrome (324124421423).

The spelling of 204010411021 in words is "two hundred four billion, ten million, four hundred eleven thousand, twenty-one".