20022110111020 has 12 divisors (see below), whose sum is σ = 42046431233184. Its totient is φ = 8008844044400.

The previous prime is 20022110111011. The next prime is 20022110111077. The reversal of 20022110111020 is 2011101122002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500552752756 + ... + 500552752795.

It is an arithmetic number, because the mean of its divisors is an integer number (3503869269432).

Almost surely, 2^{20022110111020} is an apocalyptic number.

20022110111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022110111020 is an abundant number, since it is smaller than the sum of its proper divisors (22024321122164).

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

20022110111020 is a wasteful number, since it uses less digits than its factorization.

20022110111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001105505560 (or 1001105505558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20022110111020 its reverse (2011101122002), we get a palindrome (22033211233022).

The spelling of 20022110111020 in words is "twenty trillion, twenty-two billion, one hundred ten million, one hundred eleven thousand, twenty".