20124110355 has 16 divisors (see below), whose sum is σ = 32247452160. Its totient is φ = 10716567008.

The previous prime is 20124110333. The next prime is 20124110359. The reversal of 20124110355 is 55301142102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20124110355 - 2¹¹ = 20124108307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20124110359) 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, 1008027 + ... + 1027796.

It is an arithmetic number, because the mean of its divisors is an integer number (2015465760).

Almost surely, 2^20124110355 is an apocalyptic number.

20124110355 is a deficient number, since it is larger than the sum of its proper divisors (12123341805).

20124110355 is a wasteful number, since it uses less digits than its factorization.

20124110355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036490.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 20124110355 its reverse (55301142102), we get a palindrome (75425252457).

The spelling of 20124110355 in words is "twenty billion, one hundred twenty-four million, one hundred ten thousand, three hundred fifty-five".