20022235024 has 20 divisors (see below), whose sum is σ = 42319724400. Its totient is φ = 9101015840.

The previous prime is 20022234997. The next prime is 20022235087. The reversal of 20022235024 is 42053222002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20022234986 and 20022235004.

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, 56881174 + ... + 56881525.

It is an arithmetic number, because the mean of its divisors is an integer number (2115986220).

Almost surely, 2^20022235024 is an apocalyptic number.

It is an amenable number.

20022235024 is an abundant number, since it is smaller than the sum of its proper divisors (22297489376).

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

20022235024 is a wasteful number, since it uses less digits than its factorization.

20022235024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113762718 (or 113762712 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 20022235024 its reverse (42053222002), we get a palindrome (62075457026).

The spelling of 20022235024 in words is "twenty billion, twenty-two million, two hundred thirty-five thousand, twenty-four".