1013322123020 has 48 divisors (see below), whose sum is σ = 2238066609408. Its totient is φ = 384852698880.

The previous prime is 1013322122977. The next prime is 1013322123049. The reversal of 1013322123020 is 203212233101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1013322122983 and 1013322123001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15385919 + ... + 15451638.

It is an arithmetic number, because the mean of its divisors is an integer number (46626387696).

Almost surely, 2^{1013322123020} is an apocalyptic number.

1013322123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013322123020 is an abundant number, since it is smaller than the sum of its proper divisors (1224744486388).

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

1013322123020 is a wasteful number, since it uses less digits than its factorization.

1013322123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30837650 (or 30837648 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1013322123020 its reverse (203212233101), we get a palindrome (1216534356121).

The spelling of 1013322123020 in words is "one trillion, thirteen billion, three hundred twenty-two million, one hundred twenty-three thousand, twenty".