20042223020 has 12 divisors (see below), whose sum is σ = 42088668384. Its totient is φ = 8016889200.

The previous prime is 20042222999. The next prime is 20042223053. The reversal of 20042223020 is 2032224002.

It is a self number, because there is not a number n which added to its sum of digits gives 20042223020.

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, 501055556 + ... + 501055595.

It is an arithmetic number, because the mean of its divisors is an integer number (3507389032).

Almost surely, 2^20042223020 is an apocalyptic number.

20042223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20042223020 is an abundant number, since it is smaller than the sum of its proper divisors (22046445364).

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

20042223020 is a wasteful number, since it uses less digits than its factorization.

20042223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002111160 (or 1002111158 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 20042223020 its reverse (2032224002), we get a palindrome (22074447022).

The spelling of 20042223020 in words is "twenty billion, forty-two million, two hundred twenty-three thousand, twenty".