20282494 has 16 divisors (see below), whose sum is σ = 31545216. Its totient is φ = 9770400.

The previous prime is 20282473. The next prime is 20282543. The reversal of 20282494 is 49428202.

It is a super-2 number, since 2×20282494² = 822759125720072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16584 + ... + 17764.

It is an arithmetic number, because the mean of its divisors is an integer number (1971576).

Almost surely, 2^20282494 is an apocalyptic number.

20282494 is a deficient number, since it is larger than the sum of its proper divisors (11262722).

20282494 is a wasteful number, since it uses less digits than its factorization.

20282494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 20282494 is about 4503.6089972377. The cubic root of 20282494 is about 272.7138024121.

The spelling of 20282494 in words is "twenty million, two hundred eighty-two thousand, four hundred ninety-four".