20132455 has 8 divisors (see below), whose sum is σ = 27610272. Its totient is φ = 13805088.

The previous prime is 20132443. The next prime is 20132479. The reversal of 20132455 is 55423102.

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 20132455 - 2²³ = 11743847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287572 + ... + 287641.

It is an arithmetic number, because the mean of its divisors is an integer number (3451284).

Almost surely, 2^20132455 is an apocalyptic number.

20132455 is a deficient number, since it is larger than the sum of its proper divisors (7477817).

20132455 is an equidigital number, since it uses as much as digits as its factorization.

20132455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575225.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 20132455 is about 4486.9204361121. The cubic root of 20132455 is about 272.0396739634.

Adding to 20132455 its reverse (55423102), we get a palindrome (75555557).

The spelling of 20132455 in words is "twenty million, one hundred thirty-two thousand, four hundred fifty-five".