10020112100020 has 24 divisors (see below), whose sum is σ = 22955165902368. Its totient is φ = 3643677127200.

The previous prime is 10020112099981. The next prime is 10020112100051. The reversal of 10020112100020 is 2000121102001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22772981826 + ... + 22772982265.

It is an arithmetic number, because the mean of its divisors is an integer number (956465245932).

Almost surely, 2^{10020112100020} is an apocalyptic number.

10020112100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020112100020 is an abundant number, since it is smaller than the sum of its proper divisors (12935053802348).

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

10020112100020 is a wasteful number, since it uses less digits than its factorization.

10020112100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45545964111 (or 45545964109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10020112100020 its reverse (2000121102001), we get a palindrome (12020233202021).

It can be divided in two parts, 100201 and 12100020, that added together give a palindrome (12200221).

The spelling of 10020112100020 in words is "ten trillion, twenty billion, one hundred twelve million, one hundred thousand, twenty".