20875254 has 8 divisors (see below), whose sum is σ = 41750520. Its totient is φ = 6958416.

The previous prime is 20875249. The next prime is 20875259. The reversal of 20875254 is 45257802.

It is an interprime number because it is at equal distance from previous prime (20875249) and next prime (20875259).

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

20875254 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20875259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1739599 + ... + 1739610.

It is an arithmetic number, because the mean of its divisors is an integer number (5218815).

Almost surely, 2^20875254 is an apocalyptic number.

20875254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20875254 is a wasteful number, since it uses less digits than its factorization.

20875254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479214.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 20875254 is about 4568.9445170630. The cubic root of 20875254 is about 275.3450390790.

The spelling of 20875254 in words is "twenty million, eight hundred seventy-five thousand, two hundred fifty-four".