20020002220020 has 96 divisors (see below), whose sum is σ = 61395640782336. Its totient is φ = 4833997840000.

The previous prime is 20020002219991. The next prime is 20020002220073. The reversal of 20020002220020 is 2002220002002.

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 = 20020002219978 and 20020002220005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60259314 + ... + 60590633.

It is an arithmetic number, because the mean of its divisors is an integer number (639537924816).

Almost surely, 2^{20020002220020} is an apocalyptic number.

20020002220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020002220020 is an abundant number, since it is smaller than the sum of its proper divisors (41375638562316).

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

20020002220020 is a wasteful number, since it uses less digits than its factorization.

20020002220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120850221 (or 120850219 counting only the distinct ones).

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

Adding to 20020002220020 its reverse (2002220002002), we get a palindrome (22022222222022).

The spelling of 20020002220020 in words is "twenty trillion, twenty billion, two million, two hundred twenty thousand, twenty".