20211002220013 has 8 divisors (see below), whose sum is σ = 22275668802240. Its totient is φ = 18184219428480.

The previous prime is 20211002220001. The next prime is 20211002220043. The reversal of 20211002220013 is 31002220011202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20211002220013 - 2²⁵ = 20210968665581 is a prime.

It is a super-2 number, since 2×20211002220013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211002220043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9470946553 + ... + 9470948686.

It is an arithmetic number, because the mean of its divisors is an integer number (2784458600280).

Almost surely, 2^{20211002220013} is an apocalyptic number.

It is an amenable number.

20211002220013 is a deficient number, since it is larger than the sum of its proper divisors (2064666582227).

20211002220013 is a wasteful number, since it uses less digits than its factorization.

20211002220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18941895347.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20211002220013 its reverse (31002220011202), we get a palindrome (51213222231215).

The spelling of 20211002220013 in words is "twenty trillion, two hundred eleven billion, two million, two hundred twenty thousand, thirteen".