20255150 has 24 divisors (see below), whose sum is σ = 38554824. Its totient is φ = 7912800.

The previous prime is 20255117. The next prime is 20255153. The reversal of 20255150 is 5155202.

It is a super-2 number, since 2×20255150² = 820542203045000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20255153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2561 + ... + 6860.

It is an arithmetic number, because the mean of its divisors is an integer number (1606451).

Almost surely, 2^20255150 is an apocalyptic number.

20255150 is a deficient number, since it is larger than the sum of its proper divisors (18299674).

20255150 is a wasteful number, since it uses less digits than its factorization.

20255150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9476 (or 9471 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 20255150 is about 4500.5721858448. The cubic root of 20255150 is about 272.5911935615.

The spelling of 20255150 in words is "twenty million, two hundred fifty-five thousand, one hundred fifty".