220013001021 has 16 divisors (see below), whose sum is σ = 320710118400. Its totient is φ = 133053209520.

The previous prime is 220013000983. The next prime is 220013001041. The reversal of 220013001021 is 120100310022.

It is not a de Polignac number, because 220013001021 - 2⁶ = 220013000957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220013000988 and 220013001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220013001041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7184571 + ... + 7215128.

It is an arithmetic number, because the mean of its divisors is an integer number (20044382400).

Almost surely, 2^220013001021 is an apocalyptic number.

It is an amenable number.

220013001021 is a deficient number, since it is larger than the sum of its proper divisors (100697117379).

220013001021 is a wasteful number, since it uses less digits than its factorization.

220013001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14400176.

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

Adding to 220013001021 its reverse (120100310022), we get a palindrome (340113311043).

The spelling of 220013001021 in words is "two hundred twenty billion, thirteen million, one thousand, twenty-one".