620434434026 has 24 divisors (see below), whose sum is σ = 1083121082820. Its totient is φ = 265426494080.

The previous prime is 620434434019. The next prime is 620434434083.

620434434026 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 614350278025 + 6084156001 = 783805^2 + 78001^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75401141 + ... + 75409368.

Almost surely, 2^620434434026 is an apocalyptic number.

620434434026 is a deficient number, since it is larger than the sum of its proper divisors (462686648794).

620434434026 is a wasteful number, since it uses less digits than its factorization.

620434434026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150810550 (or 150810539 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

The spelling of 620434434026 in words is "six hundred twenty billion, four hundred thirty-four million, four hundred thirty-four thousand, twenty-six".