20314134555 has 64 divisors (see below), whose sum is σ = 38246003712. Its totient is φ = 9077091840.

The previous prime is 20314134551. The next prime is 20314134559. The reversal of 20314134555 is 55543141302.

It is an interprime number because it is at equal distance from previous prime (20314134551) and next prime (20314134559).

It is not a de Polignac number, because 20314134555 - 2² = 20314134551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (20314134551) 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, 1393434 + ... + 1407936.

It is an arithmetic number, because the mean of its divisors is an integer number (597593808).

Almost surely, 2^20314134555 is an apocalyptic number.

20314134555 is a deficient number, since it is larger than the sum of its proper divisors (17931869157).

20314134555 is a wasteful number, since it uses less digits than its factorization.

20314134555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15188.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 20314134555 its reverse (55543141302), we get a palindrome (75857275857).

The spelling of 20314134555 in words is "twenty billion, three hundred fourteen million, one hundred thirty-four thousand, five hundred fifty-five".