20302002120 has 64 divisors (see below), whose sum is σ = 62552128320. Its totient is φ = 5267545344.

The previous prime is 20302002109. The next prime is 20302002121. The reversal of 20302002120 is 2120020302.

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 = 20302002096 and 20302002105.

It is not an unprimeable number, because it can be changed into a prime (20302002121) 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, 2281822 + ... + 2290701.

It is an arithmetic number, because the mean of its divisors is an integer number (977377005).

Almost surely, 2^20302002120 is an apocalyptic number.

20302002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302002120 is an abundant number, since it is smaller than the sum of its proper divisors (42250126200).

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

20302002120 is a wasteful number, since it uses less digits than its factorization.

20302002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572574 (or 4572570 counting only the distinct ones).

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

Adding to 20302002120 its reverse (2120020302), we get a palindrome (22422022422).

The spelling of 20302002120 in words is "twenty billion, three hundred two million, two thousand, one hundred twenty".