20483091 has 8 divisors (see below), whose sum is σ = 30345360. Its totient is φ = 13655376.

The previous prime is 20483081. The next prime is 20483101. The reversal of 20483091 is 19038402.

It is an interprime number because it is at equal distance from previous prime (20483081) and next prime (20483101).

It is not a de Polignac number, because 20483091 - 2⁵ = 20483059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 758633 = 20483091 / (2 + 0 + 4 + 8 + 3 + 0 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (20483081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379290 + ... + 379343.

It is an arithmetic number, because the mean of its divisors is an integer number (3793170).

Almost surely, 2^20483091 is an apocalyptic number.

20483091 is a deficient number, since it is larger than the sum of its proper divisors (9862269).

20483091 is an equidigital number, since it uses as much as digits as its factorization.

20483091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758642 (or 758636 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20483091 is about 4525.8248971873. The cubic root of 20483091 is about 273.6099151916.

The spelling of 20483091 in words is "twenty million, four hundred eighty-three thousand, ninety-one".