20155482 has 24 divisors (see below), whose sum is σ = 43850196. Its totient is φ = 6690816.

The previous prime is 20155481. The next prime is 20155501. The reversal of 20155482 is 28455102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11634921 + 8520561 = 3411^2 + 2919^2 .

It is not an unprimeable number, because it can be changed into a prime (20155481) 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, 2448 + ... + 6804.

Almost surely, 2^20155482 is an apocalyptic number.

20155482 is an abundant number, since it is smaller than the sum of its proper divisors (23694714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20155482 is a wasteful number, since it uses less digits than its factorization.

20155482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622 (or 4619 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 20155482 is about 4489.4857166495. The cubic root of 20155482 is about 272.1433518439.

The spelling of 20155482 in words is "twenty million, one hundred fifty-five thousand, four hundred eighty-two".