20983110 has 16 divisors (see below), whose sum is σ = 50359536. Its totient is φ = 5595488.

The previous prime is 20983099. The next prime is 20983121. The reversal of 20983110 is 1138902.

It is an interprime number because it is at equal distance from previous prime (20983099) and next prime (20983121).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349689 + ... + 349748.

It is an arithmetic number, because the mean of its divisors is an integer number (3147471).

Almost surely, 2^20983110 is an apocalyptic number.

20983110 is an abundant number, since it is smaller than the sum of its proper divisors (29376426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20983110 is a wasteful number, since it uses less digits than its factorization.

20983110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699447.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 20983110 is about 4580.7324741792. The cubic root of 20983110 is about 275.8184323561.

The spelling of 20983110 in words is "twenty million, nine hundred eighty-three thousand, one hundred ten".