10120013202020 has 24 divisors (see below), whose sum is σ = 21252171447864. Its totient is φ = 4047977904896.

The previous prime is 10120013202011. The next prime is 10120013202043. The reversal of 10120013202020 is 2020231002101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2714038784356 + 7405974417664 = 1647434^2 + 2721392^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10120013201986 and 10120013202004.

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, 1463984 + ... + 4731096.

It is an arithmetic number, because the mean of its divisors is an integer number (885507143661).

Almost surely, 2^{10120013202020} is an apocalyptic number.

10120013202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120013202020 is an abundant number, since it is smaller than the sum of its proper divisors (11132158245844).

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

10120013202020 is a wasteful number, since it uses less digits than its factorization.

10120013202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421999 (or 3421997 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10120013202020 its reverse (2020231002101), we get a palindrome (12140244204121).

The spelling of 10120013202020 in words is "ten trillion, one hundred twenty billion, thirteen million, two hundred two thousand, twenty".