20254502 has 8 divisors (see below), whose sum is σ = 30835416. Its totient is φ = 9976032.

The previous prime is 20254483. The next prime is 20254511. The reversal of 20254502 is 20545202.

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, 75443 + ... + 75710.

It is an arithmetic number, because the mean of its divisors is an integer number (3854427).

Almost surely, 2^20254502 is an apocalyptic number.

20254502 is a deficient number, since it is larger than the sum of its proper divisors (10580914).

20254502 is a wasteful number, since it uses less digits than its factorization.

20254502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151222.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 20254502 is about 4500.5001944228. The cubic root of 20254502 is about 272.5882866303.

Adding to 20254502 its reverse (20545202), we get a palindrome (40799704).

The spelling of 20254502 in words is "twenty million, two hundred fifty-four thousand, five hundred two".