20359934458 has 16 divisors (see below), whose sum is σ = 30619897344. Its totient is φ = 10153337040.

The previous prime is 20359934423. The next prime is 20359934461. The reversal of 20359934458 is 85443995302.

It is a super-2 number, since 2×20359934458² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274416 + ... + 1290292.

It is an arithmetic number, because the mean of its divisors is an integer number (1913743584).

Almost surely, 2^20359934458 is an apocalyptic number.

20359934458 is a deficient number, since it is larger than the sum of its proper divisors (10259962886).

20359934458 is a wasteful number, since it uses less digits than its factorization.

20359934458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17517.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 20359934458 in words is "twenty billion, three hundred fifty-nine million, nine hundred thirty-four thousand, four hundred fifty-eight".