620552263031 has 4 divisors (see below), whose sum is σ = 620735374200. Its totient is φ = 620369151864.

The previous prime is 620552263027. The next prime is 620552263043. The reversal of 620552263031 is 130362255026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620552263031 - 2² = 620552263027 is a prime.

It is a super-2 number, since 2×620552263031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620552262982 and 620552263000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620552263231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91550501 + ... + 91557278.

It is an arithmetic number, because the mean of its divisors is an integer number (155183843550).

Almost surely, 2^620552263031 is an apocalyptic number.

620552263031 is a deficient number, since it is larger than the sum of its proper divisors (183111169).

620552263031 is a wasteful number, since it uses less digits than its factorization.

620552263031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183111168.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 620552263031 in words is "six hundred twenty billion, five hundred fifty-two million, two hundred sixty-three thousand, thirty-one".