20023727471 has 12 divisors (see below), whose sum is σ = 22025904432. Its totient is φ = 18189864000.

The previous prime is 20023727461. The next prime is 20023727489. The reversal of 20023727471 is 17472732002.

It is not a de Polignac number, because 20023727471 - 2⁶ = 20023727407 is a prime.

It is a super-3 number, since 3×20023727471³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023727461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103886 + ... + 225476.

It is an arithmetic number, because the mean of its divisors is an integer number (1835492036).

Almost surely, 2^20023727471 is an apocalyptic number.

20023727471 is a deficient number, since it is larger than the sum of its proper divisors (2002176961).

20023727471 is a wasteful number, since it uses less digits than its factorization.

20023727471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122974 (or 122963 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The spelling of 20023727471 in words is "twenty billion, twenty-three million, seven hundred twenty-seven thousand, four hundred seventy-one".