20496190 has 48 divisors (see below), whose sum is σ = 43704864. Its totient is φ = 6874560.

The previous prime is 20496181. The next prime is 20496211. The reversal of 20496190 is 9169402.

It is a happy number.

It is a super-2 number, since 2×20496190² = 840187609032200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15079 + ... + 16381.

It is an arithmetic number, because the mean of its divisors is an integer number (910518).

Almost surely, 2^20496190 is an apocalyptic number.

20496190 is an abundant number, since it is smaller than the sum of its proper divisors (23208674).

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

20496190 is a wasteful number, since it uses less digits than its factorization.

20496190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 20496190 is about 4527.2718054033. The cubic root of 20496190 is about 273.6682275585.

The spelling of 20496190 in words is "twenty million, four hundred ninety-six thousand, one hundred ninety".