202014402310021 has 16 divisors (see below), whose sum is σ = 236243377346944. Its totient is φ = 169127892126144.

The previous prime is 202014402309971. The next prime is 202014402310099. The reversal of 202014402310021 is 120013204410202.

It is a de Polignac number, because none of the positive numbers 2^k-202014402310021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202014402309974 and 202014402310001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202014402310421) 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, 166352791 + ... + 167562763.

It is an arithmetic number, because the mean of its divisors is an integer number (14765211084184).

Almost surely, 2^{202014402310021} is an apocalyptic number.

It is an amenable number.

202014402310021 is a deficient number, since it is larger than the sum of its proper divisors (34228975036923).

202014402310021 is a wasteful number, since it uses less digits than its factorization.

202014402310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764700.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 202014402310021 its reverse (120013204410202), we get a palindrome (322027606720223).

The spelling of 202014402310021 in words is "two hundred two trillion, fourteen billion, four hundred two million, three hundred ten thousand, twenty-one".