20463255 has 24 divisors (see below), whose sum is σ = 36616320. Its totient is φ = 10560960.

The previous prime is 20463251. The next prime is 20463269. The reversal of 20463255 is 55236402.

20463255 is a `hidden beast` number, since 20 + 4 + 632 + 5 + 5 = 666.

It is not a de Polignac number, because 20463255 - 2² = 20463251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20463251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5940 + ... + 8729.

It is an arithmetic number, because the mean of its divisors is an integer number (1525680).

Almost surely, 2^20463255 is an apocalyptic number.

20463255 is a deficient number, since it is larger than the sum of its proper divisors (16153065).

20463255 is a wasteful number, since it uses less digits than its factorization.

20463255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14711 (or 14708 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 20463255 is about 4523.6329426690. The cubic root of 20463255 is about 273.5215646073.

Adding to 20463255 its reverse (55236402), we get a palindrome (75699657).

It can be divided in two parts, 20463 and 255, that multiplied together give a triangular number (5218065 = T₃₂₃₀).

The spelling of 20463255 in words is "twenty million, four hundred sixty-three thousand, two hundred fifty-five".