20212200022020 has 48 divisors (see below), whose sum is σ = 56598815847168. Its totient is φ = 5389476597760.

The previous prime is 20212200021977. The next prime is 20212200022031. The reversal of 20212200022020 is 2022000221202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13120764 + ... + 14580083.

It is an arithmetic number, because the mean of its divisors is an integer number (1179141996816).

Almost surely, 2^{20212200022020} is an apocalyptic number.

20212200022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212200022020 is an abundant number, since it is smaller than the sum of its proper divisors (36386615825148).

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

20212200022020 is a wasteful number, since it uses less digits than its factorization.

20212200022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27713020 (or 27713018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20212200022020 its reverse (2022000221202), we get a palindrome (22234200243222).

The spelling of 20212200022020 in words is "twenty trillion, two hundred twelve billion, two hundred million, twenty-two thousand, twenty".