202021000120202 has 4 divisors (see below), whose sum is σ = 303031500180306. Its totient is φ = 101010500060100.

The previous prime is 202021000120189. The next prime is 202021000120229.

202021000120202 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 181765968807721 + 20255031312481 = 13482061^2 + 4500559^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505250030049 + ... + 50505250030052.

Almost surely, 2^{202021000120202} is an apocalyptic number.

202021000120202 is a deficient number, since it is larger than the sum of its proper divisors (101010500060104).

202021000120202 is a wasteful number, since it uses less digits than its factorization.

202021000120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101010500060103.

The product of its (nonzero) digits is 64, while the sum is 14.

It can be divided in two parts, 202021000 and 120202, that added together give a palindrome (202141202).

The spelling of 202021000120202 in words is "two hundred two trillion, twenty-one billion, one hundred twenty thousand, two hundred two".