202102300300020 has 96 divisors (see below), whose sum is σ = 576720490364928. Its totient is φ = 52871912740992.

The previous prime is 202102300299989. The next prime is 202102300300027. The reversal of 202102300300020 is 20003003201202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102300300027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152154804 + ... + 153477323.

It is an arithmetic number, because the mean of its divisors is an integer number (6007505107968).

Almost surely, 2^{202102300300020} is an apocalyptic number.

202102300300020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202102300300020 is an abundant number, since it is smaller than the sum of its proper divisors (374618190064908).

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

202102300300020 is a wasteful number, since it uses less digits than its factorization.

202102300300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305632349 (or 305632347 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 202102300300020 its reverse (20003003201202), we get a palindrome (222105303501222).

The spelling of 202102300300020 in words is "two hundred two trillion, one hundred two billion, three hundred million, three hundred thousand, twenty".