20220220020 has 192 divisors, whose sum is σ = 76016941056. Its totient is φ = 3878392320.

The previous prime is 20220219989. The next prime is 20220220049. The reversal of 20220220020 is 2002202202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20220219978 and 20220220005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108274 + ... + 228393.

It is an arithmetic number, because the mean of its divisors is an integer number (395921568).

Almost surely, 2^20220220020 is an apocalyptic number.

20220220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220220020 is an abundant number, since it is smaller than the sum of its proper divisors (55796721036).

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

20220220020 is a wasteful number, since it uses less digits than its factorization.

20220220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336710 (or 336708 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20220220020 its reverse (2002202202), we get a palindrome (22222422222).

It can be divided in two parts, 202202 and 20020, that added together give a palindrome (222222).

The spelling of 20220220020 in words is "twenty billion, two hundred twenty million, two hundred twenty thousand, twenty".