204242022402 has 16 divisors (see below), whose sum is σ = 445618958112. Its totient is φ = 61891521920.

The previous prime is 204242022389. The next prime is 204242022407. The reversal of 204242022402 is 204220242402.

It is not an unprimeable number, because it can be changed into a prime (204242022407) 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, 1547287983 + ... + 1547288114.

It is an arithmetic number, because the mean of its divisors is an integer number (27851184882).

Almost surely, 2^204242022402 is an apocalyptic number.

204242022402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204242022402 is an abundant number, since it is smaller than the sum of its proper divisors (241376935710).

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

204242022402 is a wasteful number, since it uses less digits than its factorization.

204242022402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094576113.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 204242022402 its reverse (204220242402), we get a palindrome (408462264804).

The spelling of 204242022402 in words is "two hundred four billion, two hundred forty-two million, twenty-two thousand, four hundred two".