20124133254 has 12 divisors (see below), whose sum is σ = 43602288756. Its totient is φ = 6708044412.

The previous prime is 20124133247. The next prime is 20124133297. The reversal of 20124133254 is 45233142102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 559003684 + ... + 559003719.

It is an arithmetic number, because the mean of its divisors is an integer number (3633524063).

Almost surely, 2^20124133254 is an apocalyptic number.

20124133254 is an abundant number, since it is smaller than the sum of its proper divisors (23478155502).

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

20124133254 is a wasteful number, since it uses less digits than its factorization.

20124133254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118007411 (or 1118007408 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20124133254 its reverse (45233142102), we get a palindrome (65357275356).

The spelling of 20124133254 in words is "twenty billion, one hundred twenty-four million, one hundred thirty-three thousand, two hundred fifty-four".