20002983 has 32 divisors (see below), whose sum is σ = 35814912. Its totient is φ = 9590400.

The previous prime is 20002981. The next prime is 20003003. The reversal of 20002983 is 38920002.

It is not a de Polignac number, because 20002983 - 2¹ = 20002981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328 + ... + 6333.

It is an arithmetic number, because the mean of its divisors is an integer number (1119216).

Almost surely, 2^20002983 is an apocalyptic number.

20002983 is a deficient number, since it is larger than the sum of its proper divisors (15811929).

20002983 is a wasteful number, since it uses less digits than its factorization.

20002983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20002983 is about 4472.4694521036. The cubic root of 20002983 is about 271.4552561682.

Adding to 20002983 its reverse (38920002), we get a palindrome (58922985).

The spelling of 20002983 in words is "twenty million, two thousand, nine hundred eighty-three".