202021323100002 has 120 divisors (see below), whose sum is σ = 531797629288860. Its totient is φ = 57148888910400.

The previous prime is 202021323099943. The next prime is 202021323100081. The reversal of 202021323100002 is 200001323120202.

202021323100002 is a `hidden beast` number, since 20 + 202 + 132 + 310 + 0 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 199545260350401 + 2476062749601 = 14126049^2 + 1573551^2 .

It is a super-2 number, since 2×202021323100002² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 125187877 + ... + 126791352.

Almost surely, 2^{202021323100002} is an apocalyptic number.

202021323100002 is an abundant number, since it is smaller than the sum of its proper divisors (329776306188858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202021323100002 is a wasteful number, since it uses less digits than its factorization.

202021323100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251979358 (or 251979342 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202021323100002 its reverse (200001323120202), we get a palindrome (402022646220204).

The spelling of 202021323100002 in words is "two hundred two trillion, twenty-one billion, three hundred twenty-three million, one hundred thousand, two".