701131580820 has 144 divisors (see below), whose sum is σ = 2354737065408. Its totient is φ = 167434375680.

The previous prime is 701131580791. The next prime is 701131580833. The reversal of 701131580820 is 28085131107.

701131580820 is a `hidden beast` number, since 70 + 1 + 1 + 3 + 1 + 580 + 8 + 2 + 0 = 666.

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

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, 2509929 + ... + 2775248.

It is an arithmetic number, because the mean of its divisors is an integer number (16352340732).

Almost surely, 2^701131580820 is an apocalyptic number.

It is an amenable number.

701131580820 is an abundant number, since it is smaller than the sum of its proper divisors (1653605484588).

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

701131580820 is a wasteful number, since it uses less digits than its factorization.

701131580820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285270 (or 5285265 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 701131580820 in words is "seven hundred one billion, one hundred thirty-one million, five hundred eighty thousand, eight hundred twenty".