10013221000020 has 192 divisors, whose sum is σ = 34417087488000. Its totient is φ = 2168276342400.

The previous prime is 10013220999979. The next prime is 10013221000099. The reversal of 10013221000020 is 2000012231001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12412956 + ... + 13194995.

It is an arithmetic number, because the mean of its divisors is an integer number (179255664000).

Almost surely, 2^{10013221000020} is an apocalyptic number.

10013221000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10013221000020 is an abundant number, since it is smaller than the sum of its proper divisors (24403866487980).

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

10013221000020 is a wasteful number, since it uses less digits than its factorization.

10013221000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25608003 (or 25607987 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10013221000020 its reverse (2000012231001), we get a palindrome (12013233231021).

The spelling of 10013221000020 in words is "ten trillion, thirteen billion, two hundred twenty-one million, twenty", and thus it is an aban number.