620355642760 has 96 divisors (see below), whose sum is σ = 1623889762560. Its totient is φ = 212666665344.

The previous prime is 620355642743. The next prime is 620355642779. The reversal of 620355642760 is 67246553026.

It is a super-2 number, since 2×620355642760² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 620355642760.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21598569 + ... + 21627271.

It is an arithmetic number, because the mean of its divisors is an integer number (16915518360).

Almost surely, 2^620355642760 is an apocalyptic number.

It is an amenable number.

620355642760 is an abundant number, since it is smaller than the sum of its proper divisors (1003534119800).

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

620355642760 is a wasteful number, since it uses less digits than its factorization.

620355642760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39755 (or 39744 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 620355642760 in words is "six hundred twenty billion, three hundred fifty-five million, six hundred forty-two thousand, seven hundred sixty".