20221111110020 has 48 divisors (see below), whose sum is σ = 43185267780480. Its totient is φ = 7951131216384.

The previous prime is 20221111109987. The next prime is 20221111110037. The reversal of 20221111110020 is 2001111112202.

It is a junction number, because it is equal to n+sod(n) for n = 20221111109977 and 20221111110004.

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, 46057577 + ... + 46494543.

It is an arithmetic number, because the mean of its divisors is an integer number (899693078760).

Almost surely, 2^{20221111110020} is an apocalyptic number.

20221111110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221111110020 is an abundant number, since it is smaller than the sum of its proper divisors (22964156670460).

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

20221111110020 is a wasteful number, since it uses less digits than its factorization.

20221111110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476252 (or 476250 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20221111110020 its reverse (2001111112202), we get a palindrome (22222222222222).

The spelling of 20221111110020 in words is "twenty trillion, two hundred twenty-one billion, one hundred eleven million, one hundred ten thousand, twenty".