20514401313 has 64 divisors (see below), whose sum is σ = 33525596160. Its totient is φ = 10891625472.

The previous prime is 20514401309. The next prime is 20514401317. The reversal of 20514401313 is 31310441502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20514401309) and next prime (20514401317).

It is not a de Polignac number, because 20514401313 - 2² = 20514401309 is a prime.

It is a super-2 number, since 2×20514401313² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20514401317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10109583 + ... + 10111611.

It is an arithmetic number, because the mean of its divisors is an integer number (523837440).

Almost surely, 2^20514401313 is an apocalyptic number.

It is an amenable number.

20514401313 is a deficient number, since it is larger than the sum of its proper divisors (13011194847).

20514401313 is a wasteful number, since it uses less digits than its factorization.

20514401313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 20514401313 its reverse (31310441502), we get a palindrome (51824842815).

The spelling of 20514401313 in words is "twenty billion, five hundred fourteen million, four hundred one thousand, three hundred thirteen".