20924727123 has 8 divisors (see below), whose sum is σ = 28548465088. Its totient is φ = 13625403624.

The previous prime is 20924727119. The next prime is 20924727127. The reversal of 20924727123 is 32172742902.

It is an interprime number because it is at equal distance from previous prime (20924727119) and next prime (20924727127).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20924727123 - 2² = 20924727119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20924727127) 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, 81103465 + ... + 81103722.

It is an arithmetic number, because the mean of its divisors is an integer number (3568558136).

Almost surely, 2^20924727123 is an apocalyptic number.

20924727123 is a deficient number, since it is larger than the sum of its proper divisors (7623737965).

20924727123 is a wasteful number, since it uses less digits than its factorization.

20924727123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162207233.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 20924727123 in words is "twenty billion, nine hundred twenty-four million, seven hundred twenty-seven thousand, one hundred twenty-three".