20272039 has 4 divisors (see below), whose sum is σ = 21153456. Its totient is φ = 19390624.

The previous prime is 20272033. The next prime is 20272051. The reversal of 20272039 is 93027202.

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

It is a cyclic number.

It is not a de Polignac number, because 20272039 - 2⁹ = 20271527 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20272033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440674 + ... + 440719.

It is an arithmetic number, because the mean of its divisors is an integer number (5288364).

Almost surely, 2^20272039 is an apocalyptic number.

20272039 is a deficient number, since it is larger than the sum of its proper divisors (881417).

20272039 is an equidigital number, since it uses as much as digits as its factorization.

20272039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881416.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 20272039 is about 4502.4481118609. The cubic root of 20272039 is about 272.6669358409. Note that the first 3 decimals are identical.

The spelling of 20272039 in words is "twenty million, two hundred seventy-two thousand, thirty-nine".