2202102020 has 12 divisors (see below), whose sum is σ = 4624414284. Its totient is φ = 880840800.

The previous prime is 2202101981. The next prime is 2202102029. The reversal of 2202102020 is 202012022.

It can be written as a sum of positive squares in 2 ways, for example, as 1554094084 + 648007936 = 39422^2 + 25456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2202101992 and 2202102010.

It is not an unprimeable number, because it can be changed into a prime (2202102029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55052531 + ... + 55052570.

It is an arithmetic number, because the mean of its divisors is an integer number (385367857).

Almost surely, 2^2202102020 is an apocalyptic number.

2202102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202102020 is an abundant number, since it is smaller than the sum of its proper divisors (2422312264).

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

2202102020 is a wasteful number, since it uses less digits than its factorization.

2202102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110105110 (or 110105108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2202102020 is about 46926.5598568657. The cubic root of 2202102020 is about 1301.0055376076.

Adding to 2202102020 its reverse (202012022), we get a palindrome (2404114042).

The spelling of 2202102020 in words is "two billion, two hundred two million, one hundred two thousand, twenty".