6920077920 has 288 divisors, whose sum is σ = 26177872896. Its totient is φ = 1530547200.

The previous prime is 6920077909. The next prime is 6920077937. The reversal of 6920077920 is 297700296.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 724375 + ... + 733865.

It is an arithmetic number, because the mean of its divisors is an integer number (90895392).

Almost surely, 2^6920077920 is an apocalyptic number.

6920077920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6920077920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13088936448).

6920077920 is an abundant number, since it is smaller than the sum of its proper divisors (19257794976).

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

6920077920 is a wasteful number, since it uses less digits than its factorization.

6920077920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9554 (or 9539 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 6920077920 is about 83187.0057160372. The cubic root of 6920077920 is about 1905.6230393674.

The spelling of 6920077920 in words is "six billion, nine hundred twenty million, seventy-seven thousand, nine hundred twenty".