20020112112021 has 32 divisors (see below), whose sum is σ = 32591751029760. Its totient is φ = 10676194886016.

The previous prime is 20020112111971. The next prime is 20020112112113. The reversal of 20020112112021 is 12021121102002.

It is not a de Polignac number, because 20020112112021 - 2⁶ = 20020112111957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020112112421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374418936 + ... + 374472401.

It is an arithmetic number, because the mean of its divisors is an integer number (1018492219680).

Almost surely, 2^{20020112112021} is an apocalyptic number.

20020112112021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20020112112021 is a deficient number, since it is larger than the sum of its proper divisors (12571638917739).

20020112112021 is a wasteful number, since it uses less digits than its factorization.

20020112112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748891433.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20020112112021 its reverse (12021121102002), we get a palindrome (32041233214023).

The spelling of 20020112112021 in words is "twenty trillion, twenty billion, one hundred twelve million, one hundred twelve thousand, twenty-one".