20136272073 has 16 divisors (see below), whose sum is σ = 27308655360. Its totient is φ = 13194122576.

The previous prime is 20136272041. The next prime is 20136272083. The reversal of 20136272073 is 37027263102.

It is a cyclic number.

It is not a de Polignac number, because 20136272073 - 2⁵ = 20136272041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20136272083) 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, 1520386 + ... + 1533572.

It is an arithmetic number, because the mean of its divisors is an integer number (1706790960).

Almost surely, 2^20136272073 is an apocalyptic number.

It is an amenable number.

20136272073 is a deficient number, since it is larger than the sum of its proper divisors (7172383287).

20136272073 is a wasteful number, since it uses less digits than its factorization.

20136272073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21876.

The product of its (nonzero) digits is 21168, while the sum is 33.

The spelling of 20136272073 in words is "twenty billion, one hundred thirty-six million, two hundred seventy-two thousand, seventy-three".