20297883 has 16 divisors (see below), whose sum is σ = 28173600. Its totient is φ = 12983040.

The previous prime is 20297863. The next prime is 20297897. The reversal of 20297883 is 38879202.

It is not a de Polignac number, because 20297883 - 2¹² = 20293787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20297803) 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, 15103 + ... + 16391.

It is an arithmetic number, because the mean of its divisors is an integer number (1760850).

Almost surely, 2^20297883 is an apocalyptic number.

20297883 is a deficient number, since it is larger than the sum of its proper divisors (7875717).

20297883 is a wasteful number, since it uses less digits than its factorization.

20297883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 20297883 is about 4505.3171919411. The cubic root of 20297883 is about 272.7827573072.

The spelling of 20297883 in words is "twenty million, two hundred ninety-seven thousand, eight hundred eighty-three".