20494594 has 8 divisors (see below), whose sum is σ = 31263120. Its totient is φ = 10073556.

The previous prime is 20494553. The next prime is 20494601. The reversal of 20494594 is 49549402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86724 + ... + 86959.

It is an arithmetic number, because the mean of its divisors is an integer number (3907890).

Almost surely, 2^20494594 is an apocalyptic number.

20494594 is a deficient number, since it is larger than the sum of its proper divisors (10768526).

20494594 is a wasteful number, since it uses less digits than its factorization.

20494594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173744.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 20494594 is about 4527.0955368757. The cubic root of 20494594 is about 273.6611240297.

The spelling of 20494594 in words is "twenty million, four hundred ninety-four thousand, five hundred ninety-four".