22211110020020 has 48 divisors (see below), whose sum is σ = 46786059347328. Its totient is φ = 8857259748480.

The previous prime is 22211110019957. The next prime is 22211110020049. The reversal of 22211110020020 is 2002001111222.

It is a junction number, because it is equal to n+sod(n) for n = 22211110019977 and 22211110020004.

It is a congruent number.

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, 235247462 + ... + 235341858.

It is an arithmetic number, because the mean of its divisors is an integer number (974709569736).

Almost surely, 2^{22211110020020} is an apocalyptic number.

22211110020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211110020020 is an abundant number, since it is smaller than the sum of its proper divisors (24574949327308).

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

22211110020020 is a wasteful number, since it uses less digits than its factorization.

22211110020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130280 (or 130278 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22211110020020 its reverse (2002001111222), we get a palindrome (24213111131242).

The spelling of 22211110020020 in words is "twenty-two trillion, two hundred eleven billion, one hundred ten million, twenty thousand, twenty".