2202020400020 has 48 divisors (see below), whose sum is σ = 5285785075200. Its totient is φ = 754844692224.

The previous prime is 2202020400011. The next prime is 2202020400023. The reversal of 2202020400020 is 200040202022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2202020399968 and 2202020400004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202020400023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598220 + ... + 2182179.

It is an arithmetic number, because the mean of its divisors is an integer number (110120522400).

Almost surely, 2^{2202020400020} is an apocalyptic number.

2202020400020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202020400020 is an abundant number, since it is smaller than the sum of its proper divisors (3083764675180).

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

2202020400020 is a wasteful number, since it uses less digits than its factorization.

2202020400020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786072 (or 2786070 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 2202020400020 its reverse (200040202022), we get a palindrome (2402060602042).

The spelling of 2202020400020 in words is "two trillion, two hundred two billion, twenty million, four hundred thousand, twenty".