620036131623 has 16 divisors (see below), whose sum is σ = 829783785600. Its totient is φ = 411824951136.

The previous prime is 620036131549. The next prime is 620036131633. The reversal of 620036131623 is 326131630026.

It is not a de Polignac number, because 620036131623 - 2²² = 620031937319 is a prime.

It is a super-2 number, since 2×620036131623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620036131633) 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, 993336 + ... + 1492242.

It is an arithmetic number, because the mean of its divisors is an integer number (51861486600).

Almost surely, 2^620036131623 is an apocalyptic number.

620036131623 is a deficient number, since it is larger than the sum of its proper divisors (209747653977).

620036131623 is a wasteful number, since it uses less digits than its factorization.

620036131623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500446.

The product of its (nonzero) digits is 23328, while the sum is 33.

Adding to 620036131623 its reverse (326131630026), we get a palindrome (946167761649).

The spelling of 620036131623 in words is "six hundred twenty billion, thirty-six million, one hundred thirty-one thousand, six hundred twenty-three".