20123251416 has 32 divisors (see below), whose sum is σ = 55897921200. Its totient is φ = 6707750400.

The previous prime is 20123251411. The next prime is 20123251429. The reversal of 20123251416 is 61415232102.

20123251416 is a `hidden beast` number, since 20 + 123 + 2 + 514 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 20123251416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123251411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46581385 + ... + 46581816.

Almost surely, 2^20123251416 is an apocalyptic number.

It is an amenable number.

20123251416 is an abundant number, since it is smaller than the sum of its proper divisors (35774669784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20123251416 is a wasteful number, since it uses less digits than its factorization.

20123251416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93163216 (or 93163206 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 20123251416 its reverse (61415232102), we get a palindrome (81538483518).

The spelling of 20123251416 in words is "twenty billion, one hundred twenty-three million, two hundred fifty-one thousand, four hundred sixteen".