6920190720 has 144 divisors (see below), whose sum is σ = 24557188320. Its totient is φ = 1845374976.

The previous prime is 6920190703. The next prime is 6920190727. The reversal of 6920190720 is 270910296.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6920190727) 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, 65559 + ... + 134678.

It is an arithmetic number, because the mean of its divisors is an integer number (170536030).

Almost surely, 2^6920190720 is an apocalyptic number.

6920190720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6920190720 is an abundant number, since it is smaller than the sum of its proper divisors (17636997600).

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

6920190720 is a wasteful number, since it uses less digits than its factorization.

6920190720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200267 (or 200247 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 6920190720 is about 83187.6837037791. The cubic root of 6920190720 is about 1905.6333934469.

The spelling of 6920190720 in words is "six billion, nine hundred twenty million, one hundred ninety thousand, seven hundred twenty".