20202221013 has 8 divisors (see below), whose sum is σ = 29008317408. Its totient is φ = 12432135984.

The previous prime is 20202220967. The next prime is 20202221027. The reversal of 20202221013 is 31012220202.

It is a happy number.

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

It is not a de Polignac number, because 20202221013 - 2⁸ = 20202220757 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20202220983 and 20202221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202221033) 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, 259002795 + ... + 259002872.

It is an arithmetic number, because the mean of its divisors is an integer number (3626039676).

Almost surely, 2^20202221013 is an apocalyptic number.

It is an amenable number.

20202221013 is a deficient number, since it is larger than the sum of its proper divisors (8806096395).

20202221013 is a wasteful number, since it uses less digits than its factorization.

20202221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518005683.

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

Adding to 20202221013 its reverse (31012220202), we get a palindrome (51214441215).

The spelling of 20202221013 in words is "twenty billion, two hundred two million, two hundred twenty-one thousand, thirteen".