20221102202020 has 48 divisors (see below), whose sum is σ = 43938250868736. Its totient is φ = 7808930640000.

The previous prime is 20221102201933. The next prime is 20221102202087. The reversal of 20221102202020 is 2020220112202.

It is a junction number, because it is equal to n+sod(n) for n = 20221102201985 and 20221102202003.

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, 38473756 + ... + 38995795.

It is an arithmetic number, because the mean of its divisors is an integer number (915380226432).

Almost surely, 2^{20221102202020} is an apocalyptic number.

20221102202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221102202020 is an abundant number, since it is smaller than the sum of its proper divisors (23717148666716).

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

20221102202020 is a wasteful number, since it uses less digits than its factorization.

20221102202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77470012 (or 77470010 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20221102202020 its reverse (2020220112202), we get a palindrome (22241322314222).

The spelling of 20221102202020 in words is "twenty trillion, two hundred twenty-one billion, one hundred two million, two hundred two thousand, twenty".