20359994514 has 32 divisors (see below), whose sum is σ = 41832236160. Its totient is φ = 6601393152.

The previous prime is 20359994513. The next prime is 20359994579. The reversal of 20359994514 is 41549995302.

It is a super-2 number, since 2×20359994514² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20359994513) 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, 941467 + ... + 962849.

It is an arithmetic number, because the mean of its divisors is an integer number (1307257380).

Almost surely, 2^20359994514 is an apocalyptic number.

20359994514 is an abundant number, since it is smaller than the sum of its proper divisors (21472241646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20359994514 is a wasteful number, since it uses less digits than its factorization.

20359994514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25714.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 20359994514 in words is "twenty billion, three hundred fifty-nine million, nine hundred ninety-four thousand, five hundred fourteen".