620248809117 has 32 divisors (see below), whose sum is σ = 960699645952. Its totient is φ = 348619883904.

The previous prime is 620248809113. The next prime is 620248809163. The reversal of 620248809117 is 711908842026.

It is a happy number.

It is not a de Polignac number, because 620248809117 - 2² = 620248809113 is a prime.

It is a super-2 number, since 2×620248809117² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620248809113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11388 + ... + 1113834.

It is an arithmetic number, because the mean of its divisors is an integer number (30021863936).

Almost surely, 2^620248809117 is an apocalyptic number.

It is an amenable number.

620248809117 is a deficient number, since it is larger than the sum of its proper divisors (340450836835).

620248809117 is a wasteful number, since it uses less digits than its factorization.

620248809117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102897.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 620248809117 in words is "six hundred twenty billion, two hundred forty-eight million, eight hundred nine thousand, one hundred seventeen".