20271339123 has 16 divisors (see below), whose sum is σ = 31115136000. Its totient is φ = 11499068736.

The previous prime is 20271339103. The next prime is 20271339131. The reversal of 20271339123 is 32193317202.

It is not a de Polignac number, because 20271339123 - 2⁶ = 20271339059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20271339103) 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, 3520123 + ... + 3525876.

It is an arithmetic number, because the mean of its divisors is an integer number (1944696000).

Almost surely, 2^20271339123 is an apocalyptic number.

20271339123 is a deficient number, since it is larger than the sum of its proper divisors (10843796877).

20271339123 is a wasteful number, since it uses less digits than its factorization.

20271339123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7046146.

The product of its (nonzero) digits is 13608, while the sum is 33.

The spelling of 20271339123 in words is "twenty billion, two hundred seventy-one million, three hundred thirty-nine thousand, one hundred twenty-three".