3120402020202 has 12 divisors (see below), whose sum is σ = 6760871043810. Its totient is φ = 1040134006728.

The previous prime is 3120402020159. The next prime is 3120402020231. The reversal of 3120402020202 is 2020202040213.

It can be written as a sum of positive squares in only one way, i.e., 2906755616241 + 213646403961 = 1704921^2 + 462219^2 .

It is a super-2 number, since 2×3120402020202² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 173355667789 = 3120402020202 / (3 + 1 + 2 + 0 + 4 + 0 + 2 + 0 + 2 + 0 + 2 + 0 + 2).

3120402020202 is a modest number, since divided by 2020202 gives 31204 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86677833877 + ... + 86677833912.

Almost surely, 2^{3120402020202} is an apocalyptic number.

3120402020202 is an abundant number, since it is smaller than the sum of its proper divisors (3640469023608).

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

3120402020202 is a wasteful number, since it uses less digits than its factorization.

3120402020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173355667797 (or 173355667794 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 3120402020202 its reverse (2020202040213), we get a palindrome (5140604060415).

The spelling of 3120402020202 in words is "three trillion, one hundred twenty billion, four hundred two million, twenty thousand, two hundred two".