20314143464 has 16 divisors (see below), whose sum is σ = 38091327300. Its totient is φ = 10156456192.

The previous prime is 20314143449. The next prime is 20314143517. The reversal of 20314143464 is 46434141302.

It can be written as a sum of positive squares in 2 ways, for example, as 15336840964 + 4977302500 = 123842^2 + 70550^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20314143464.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82832 + ... + 217920.

Almost surely, 2^20314143464 is an apocalyptic number.

It is an amenable number.

20314143464 is a deficient number, since it is larger than the sum of its proper divisors (17777183836).

20314143464 is a wasteful number, since it uses less digits than its factorization.

20314143464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153892 (or 153888 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 20314143464 its reverse (46434141302), we get a palindrome (66748284766).

The spelling of 20314143464 in words is "twenty billion, three hundred fourteen million, one hundred forty-three thousand, four hundred sixty-four".