20359494 has 12 divisors (see below), whose sum is σ = 44112276. Its totient is φ = 6786492.

The previous prime is 20359487. The next prime is 20359513. The reversal of 20359494 is 49495302.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565524 + ... + 565559.

It is an arithmetic number, because the mean of its divisors is an integer number (3676023).

Almost surely, 2^20359494 is an apocalyptic number.

20359494 is an abundant number, since it is smaller than the sum of its proper divisors (23752782).

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

20359494 is a wasteful number, since it uses less digits than its factorization.

20359494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131091 (or 1131088 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 20359494 is about 4512.1495985838. The cubic root of 20359494 is about 273.0584747744.

The spelling of 20359494 in words is "twenty million, three hundred fifty-nine thousand, four hundred ninety-four".