2070804902156 has 24 divisors (see below), whose sum is σ = 3845625562800. Its totient is φ = 972326039552.

The previous prime is 2070804902149. The next prime is 2070804902161. The reversal of 2070804902156 is 6512094080702.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33881510 + ... + 33942573.

It is an arithmetic number, because the mean of its divisors is an integer number (160234398450).

Almost surely, 2^{2070804902156} is an apocalyptic number.

It is an amenable number.

2070804902156 is a deficient number, since it is larger than the sum of its proper divisors (1774820660644).

2070804902156 is a wasteful number, since it uses less digits than its factorization.

2070804902156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67824553 (or 67824551 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

Adding to 2070804902156 its reverse (6512094080702), we get a palindrome (8582898982858).

The spelling of 2070804902156 in words is "two trillion, seventy billion, eight hundred four million, nine hundred two thousand, one hundred fifty-six".