22002202020 has 24 divisors (see below), whose sum is σ = 61606165824. Its totient is φ = 5867253856.

The previous prime is 22002202007. The next prime is 22002202021. The reversal of 22002202020 is 2020220022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22002201987 and 22002202005.

It is not an unprimeable number, because it can be changed into a prime (22002202021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183351624 + ... + 183351743.

It is an arithmetic number, because the mean of its divisors is an integer number (2566923576).

Almost surely, 2^22002202020 is an apocalyptic number.

22002202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002202020 is an abundant number, since it is smaller than the sum of its proper divisors (39603963804).

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

22002202020 is a wasteful number, since it uses less digits than its factorization.

22002202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366703379 (or 366703377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 22002202020 its reverse (2020220022), we get a palindrome (24022422042).

The spelling of 22002202020 in words is "twenty-two billion, two million, two hundred two thousand, twenty".