20440402024 has 16 divisors (see below), whose sum is σ = 43800861600. Its totient is φ = 8760172272.

The previous prime is 20440402019. The next prime is 20440402043. The reversal of 20440402024 is 42020404402.

It is a junction number, because it is equal to n+sod(n) for n = 20440401986 and 20440402004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182503534 + ... + 182503645.

It is an arithmetic number, because the mean of its divisors is an integer number (2737553850).

Almost surely, 2^20440402024 is an apocalyptic number.

It is an amenable number.

20440402024 is an abundant number, since it is smaller than the sum of its proper divisors (23360459576).

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

20440402024 is a wasteful number, since it uses less digits than its factorization.

20440402024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365007192 (or 365007188 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20440402024 its reverse (42020404402), we get a palindrome (62460806426).

The spelling of 20440402024 in words is "twenty billion, four hundred forty million, four hundred two thousand, twenty-four".