19972883 has 4 divisors (see below), whose sum is σ = 22826160. Its totient is φ = 17119608.

The previous prime is 19972861. The next prime is 19972889. The reversal of 19972883 is 38827991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38827991 = 569 ⋅68239.

It is a cyclic number.

It is not a de Polignac number, because 19972883 - 2¹⁰ = 19971859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19972889) 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, 1426628 + ... + 1426641.

It is an arithmetic number, because the mean of its divisors is an integer number (5706540).

Almost surely, 2^19972883 is an apocalyptic number.

19972883 is a deficient number, since it is larger than the sum of its proper divisors (2853277).

19972883 is an equidigital number, since it uses as much as digits as its factorization.

19972883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853276.

The product of its digits is 217728, while the sum is 47.

The square root of 19972883 is about 4469.1031538777. The cubic root of 19972883 is about 271.3190280691.

The spelling of 19972883 in words is "nineteen million, nine hundred seventy-two thousand, eight hundred eighty-three".