10020120111020 has 24 divisors (see below), whose sum is σ = 22280031777024. Its totient is φ = 3772280512256.

The previous prime is 10020120110953. The next prime is 10020120111047. The reversal of 10020120111020 is 2011102102001.

It is a junction number, because it is equal to n+sod(n) for n = 10020120110992 and 10020120111010.

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, 14735470412 + ... + 14735471091.

It is an arithmetic number, because the mean of its divisors is an integer number (928334657376).

Almost surely, 2^{10020120111020} is an apocalyptic number.

10020120111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020120111020 is an abundant number, since it is smaller than the sum of its proper divisors (12259911666004).

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

10020120111020 is a wasteful number, since it uses less digits than its factorization.

10020120111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29470941529 (or 29470941527 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10020120111020 its reverse (2011102102001), we get a palindrome (12031222213021).

The spelling of 10020120111020 in words is "ten trillion, twenty billion, one hundred twenty million, one hundred eleven thousand, twenty".