6920770540 has 24 divisors (see below), whose sum is σ = 15034778640. Its totient is φ = 2672849088.

The previous prime is 6920770523. The next prime is 6920770543. The reversal of 6920770540 is 450770296.

It is a junction number, because it is equal to n+sod(n) for n = 6920770493 and 6920770502.

It is not an unprimeable number, because it can be changed into a prime (6920770543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5965602 + ... + 5966761.

It is an arithmetic number, because the mean of its divisors is an integer number (626449110).

Almost surely, 2^6920770540 is an apocalyptic number.

It is an amenable number.

6920770540 is an abundant number, since it is smaller than the sum of its proper divisors (8114008100).

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

6920770540 is a wasteful number, since it uses less digits than its factorization.

6920770540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11932401 (or 11932399 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 6920770540 is about 83191.1686418697. The cubic root of 6920770540 is about 1905.6866142102.

The spelling of 6920770540 in words is "six billion, nine hundred twenty million, seven hundred seventy thousand, five hundred forty".