20192458 has 24 divisors (see below), whose sum is σ = 35786016. Its totient is φ = 8470800.

The previous prime is 20192441. The next prime is 20192461. The reversal of 20192458 is 85429102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1003 + ... + 6433.

It is an arithmetic number, because the mean of its divisors is an integer number (1491084).

Almost surely, 2^20192458 is an apocalyptic number.

20192458 is a deficient number, since it is larger than the sum of its proper divisors (15593558).

20192458 is a wasteful number, since it uses less digits than its factorization.

20192458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5470 (or 5457 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 20192458 is about 4493.6018960295. The cubic root of 20192458 is about 272.3096692975.

The spelling of 20192458 in words is "twenty million, one hundred ninety-two thousand, four hundred fifty-eight".