20020220012020 has 24 divisors (see below), whose sum is σ = 42044019308424. Its totient is φ = 8007791379456.

The previous prime is 20020220012011. The next prime is 20020220012047. The reversal of 20020220012020 is 2021002202002.

It can be written as a sum of positive squares in 4 ways, for example, as 1958756997136 + 18061463014884 = 1399556^2 + 4249878^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17985237 + ... + 19065916.

It is an arithmetic number, because the mean of its divisors is an integer number (1751834137851).

Almost surely, 2^{20020220012020} is an apocalyptic number.

20020220012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020220012020 is an abundant number, since it is smaller than the sum of its proper divisors (22023799296404).

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

20020220012020 is a wasteful number, since it uses less digits than its factorization.

20020220012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37078179 (or 37078177 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20020220012020 its reverse (2021002202002), we get a palindrome (22041222214022).

The spelling of 20020220012020 in words is "twenty trillion, twenty billion, two hundred twenty million, twelve thousand, twenty".