20740058 has 8 divisors (see below), whose sum is σ = 32747520. Its totient is φ = 9824220.

The previous prime is 20740021. The next prime is 20740063. The reversal of 20740058 is 85004702.

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, 272858 + ... + 272933.

It is an arithmetic number, because the mean of its divisors is an integer number (4093440).

Almost surely, 2^20740058 is an apocalyptic number.

20740058 is a deficient number, since it is larger than the sum of its proper divisors (12007462).

20740058 is a wasteful number, since it uses less digits than its factorization.

20740058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545812.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 20740058 is about 4554.1253825515. The cubic root of 20740058 is about 274.7493385346.

The spelling of 20740058 in words is "twenty million, seven hundred forty thousand, fifty-eight".