20422440204 has 48 divisors (see below), whose sum is σ = 52195298400. Its totient is φ = 6186105856.

The previous prime is 20422440197. The next prime is 20422440229. The reversal of 20422440204 is 40204422402.

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, 1720119 + ... + 1731950.

It is an arithmetic number, because the mean of its divisors is an integer number (1087402050).

Almost surely, 2^20422440204 is an apocalyptic number.

It is an amenable number.

20422440204 is an abundant number, since it is smaller than the sum of its proper divisors (31772858196).

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

20422440204 is a wasteful number, since it uses less digits than its factorization.

20422440204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452122 (or 3452120 counting only the distinct ones).

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

Adding to 20422440204 its reverse (40204422402), we get a palindrome (60626862606).

The spelling of 20422440204 in words is "twenty billion, four hundred twenty-two million, four hundred forty thousand, two hundred four".