20494702 has 8 divisors (see below), whose sum is σ = 32078736. Its totient is φ = 9801792.

The previous prime is 20494699. The next prime is 20494717. The reversal of 20494702 is 20749402.

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

It is a congruent number.

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, 222723 + ... + 222814.

It is an arithmetic number, because the mean of its divisors is an integer number (4009842).

Almost surely, 2^20494702 is an apocalyptic number.

20494702 is a deficient number, since it is larger than the sum of its proper divisors (11584034).

20494702 is a wasteful number, since it uses less digits than its factorization.

20494702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445562.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20494702 is about 4527.1074650377. The cubic root of 20494702 is about 273.6616047313.

The spelling of 20494702 in words is "twenty million, four hundred ninety-four thousand, seven hundred two".