202220013021 has 16 divisors (see below), whose sum is σ = 291971447040. Its totient is φ = 123755549760.

The previous prime is 202220012989. The next prime is 202220013097. The reversal of 202220013021 is 120310022202.

It is a happy number.

It is not a de Polignac number, because 202220013021 - 2⁵ = 202220012989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220033021) 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, 14316501 + ... + 14330618.

It is an arithmetic number, because the mean of its divisors is an integer number (18248215440).

Almost surely, 2^202220013021 is an apocalyptic number.

It is an amenable number.

202220013021 is a deficient number, since it is larger than the sum of its proper divisors (89751434019).

202220013021 is a wasteful number, since it uses less digits than its factorization.

202220013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28647316.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 202220013021 its reverse (120310022202), we get a palindrome (322530035223).

The spelling of 202220013021 in words is "two hundred two billion, two hundred twenty million, thirteen thousand, twenty-one".