20250255 has 8 divisors (see below), whose sum is σ = 32400432. Its totient is φ = 10800128.

The previous prime is 20250239. The next prime is 20250271. The reversal of 20250255 is 55205202.

It is an interprime number because it is at equal distance from previous prime (20250239) and next prime (20250271).

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

It is a cyclic number.

It is not a de Polignac number, because 20250255 - 2⁴ = 20250239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674994 + ... + 675023.

It is an arithmetic number, because the mean of its divisors is an integer number (4050054).

Almost surely, 2^20250255 is an apocalyptic number.

20250255 is a deficient number, since it is larger than the sum of its proper divisors (12150177).

20250255 is a wasteful number, since it uses less digits than its factorization.

20250255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350025.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 20250255 is about 4500.0283332441. The cubic root of 20250255 is about 272.5692330330.

Adding to 20250255 its reverse (55205202), we get a palindrome (75455457).

The spelling of 20250255 in words is "twenty million, two hundred fifty thousand, two hundred fifty-five".