20675274 has 16 divisors (see below), whose sum is σ = 41404608. Its totient is φ = 6882752.

The previous prime is 20675273. The next prime is 20675309. The reversal of 20675274 is 47257602.

It is not an unprimeable number, because it can be changed into a prime (20675273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4099 + ... + 7625.

It is an arithmetic number, because the mean of its divisors is an integer number (2587788).

Almost surely, 2^20675274 is an apocalyptic number.

20675274 is an abundant number, since it is smaller than the sum of its proper divisors (20729334).

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

20675274 is a wasteful number, since it uses less digits than its factorization.

20675274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4509.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 20675274 is about 4547.0071475642. The cubic root of 20675274 is about 274.4629695802.

The spelling of 20675274 in words is "twenty million, six hundred seventy-five thousand, two hundred seventy-four".