20642232314 has 16 divisors (see below), whose sum is σ = 33780459456. Its totient is φ = 9382204800.

The previous prime is 20642232307. The next prime is 20642232341. The reversal of 20642232314 is 41323224602.

It is a happy number.

It is a super-2 number, since 2×20642232314² (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, 519419 + ... + 557745.

It is an arithmetic number, because the mean of its divisors is an integer number (2111278716).

Almost surely, 2^20642232314 is an apocalyptic number.

20642232314 is a deficient number, since it is larger than the sum of its proper divisors (13138227142).

20642232314 is a wasteful number, since it uses less digits than its factorization.

20642232314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62821.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20642232314 its reverse (41323224602), we get a palindrome (61965456916).

The spelling of 20642232314 in words is "twenty billion, six hundred forty-two million, two hundred thirty-two thousand, three hundred fourteen".