302202100020 has 96 divisors (see below), whose sum is σ = 883088946432. Its totient is φ = 77071802368.

The previous prime is 302202099973. The next prime is 302202100027. The reversal of 302202100020 is 20001202203.

It is a super-2 number, since 2×302202100020² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 302202099969 and 302202100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302202100027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12646804 + ... + 12670676.

It is an arithmetic number, because the mean of its divisors is an integer number (9198843192).

Almost surely, 2^302202100020 is an apocalyptic number.

302202100020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

302202100020 is an abundant number, since it is smaller than the sum of its proper divisors (580886846412).

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

302202100020 is a wasteful number, since it uses less digits than its factorization.

302202100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33081 (or 33079 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 302202100020 its reverse (20001202203), we get a palindrome (322203302223).

The spelling of 302202100020 in words is "three hundred two billion, two hundred two million, one hundred thousand, twenty".