20114015551 has 16 divisors (see below), whose sum is σ = 23239277568. Its totient is φ = 17052696000.

The previous prime is 20114015533. The next prime is 20114015563. The reversal of 20114015551 is 15551041102.

It is a cyclic number.

It is not a de Polignac number, because 20114015551 - 2³³ = 11524080959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20114015951) 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, 205446 + ... + 287116.

It is an arithmetic number, because the mean of its divisors is an integer number (1452454848).

Almost surely, 2^20114015551 is an apocalyptic number.

20114015551 is a deficient number, since it is larger than the sum of its proper divisors (3125262017).

20114015551 is a wasteful number, since it uses less digits than its factorization.

20114015551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82062.

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 20114015551 its reverse (15551041102), we get a palindrome (35665056653).

The spelling of 20114015551 in words is "twenty billion, one hundred fourteen million, fifteen thousand, five hundred fifty-one".