22002202002020 has 48 divisors (see below), whose sum is σ = 47332944772848. Its totient is φ = 8585975101440.

The previous prime is 22002202001933. The next prime is 22002202002083. The reversal of 22002202002020 is 2020020220022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1379177779456 + 20623024222564 = 1174384^2 + 4541258^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22002202001986 and 22002202002004.

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, 29141522 + ... + 29886998.

It is an arithmetic number, because the mean of its divisors is an integer number (986103016101).

Almost surely, 2^{22002202002020} is an apocalyptic number.

22002202002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002202002020 is an abundant number, since it is smaller than the sum of its proper divisors (25330742770828).

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

22002202002020 is a wasteful number, since it uses less digits than its factorization.

22002202002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781520 (or 781518 counting only the distinct ones).

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

Adding to 22002202002020 its reverse (2020020220022), we get a palindrome (24022222222042).

The spelling of 22002202002020 in words is "twenty-two trillion, two billion, two hundred two million, two thousand, twenty".