20414525923 has 4 divisors (see below), whose sum is σ = 22270391928. Its totient is φ = 18558659920.

The previous prime is 20414525897. The next prime is 20414525933. The reversal of 20414525923 is 32952541402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20414525923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20414525933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927932986 + ... + 927933007.

It is an arithmetic number, because the mean of its divisors is an integer number (5567597982).

Almost surely, 2^20414525923 is an apocalyptic number.

20414525923 is a deficient number, since it is larger than the sum of its proper divisors (1855866005).

20414525923 is a wasteful number, since it uses less digits than its factorization.

20414525923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855866004.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 20414525923 in words is "twenty billion, four hundred fourteen million, five hundred twenty-five thousand, nine hundred twenty-three".