620426060624026 has 4 divisors (see below), whose sum is σ = 930639090936042. Its totient is φ = 310213030312012.

The previous prime is 620426060624017. The next prime is 620426060624033.

620426060624026 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 380112537425625 + 240313523198401 = 19496475^2 + 15502049^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155106515156005 + ... + 155106515156008.

Almost surely, 2^{620426060624026} is an apocalyptic number.

620426060624026 is a deficient number, since it is larger than the sum of its proper divisors (310213030312016).

620426060624026 is a wasteful number, since it uses less digits than its factorization.

620426060624026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310213030312015.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 620426060624026 in words is "six hundred twenty trillion, four hundred twenty-six billion, sixty million, six hundred twenty-four thousand, twenty-six".