20220022004 has 24 divisors (see below), whose sum is σ = 43550817408. Its totient is φ = 7999129440.

The previous prime is 20220021919. The next prime is 20220022007. The reversal of 20220022004 is 40022002202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 20220022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220022007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27774392 + ... + 27775119.

It is an arithmetic number, because the mean of its divisors is an integer number (1814617392).

Almost surely, 2^20220022004 is an apocalyptic number.

It is an amenable number.

20220022004 is an abundant number, since it is smaller than the sum of its proper divisors (23330795404).

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

20220022004 is a wasteful number, since it uses less digits than its factorization.

20220022004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55549535 (or 55549533 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20220022004 its reverse (40022002202), we get a palindrome (60242024206).

The spelling of 20220022004 in words is "twenty billion, two hundred twenty million, twenty-two thousand, four".