20132120224 has 24 divisors (see below), whose sum is σ = 39638712960. Its totient is φ = 10065145536.

The previous prime is 20132120221. The next prime is 20132120227. The reversal of 20132120224 is 42202123102.

It is an interprime number because it is at equal distance from previous prime (20132120221) and next prime (20132120227).

It is not an unprimeable number, because it can be changed into a prime (20132120221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454987 + ... + 497269.

It is an arithmetic number, because the mean of its divisors is an integer number (1651613040).

Almost surely, 2^20132120224 is an apocalyptic number.

It is an amenable number.

20132120224 is a deficient number, since it is larger than the sum of its proper divisors (19506592736).

20132120224 is a wasteful number, since it uses less digits than its factorization.

20132120224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57172 (or 57164 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20132120224 its reverse (42202123102), we get a palindrome (62334243326).

The spelling of 20132120224 in words is "twenty billion, one hundred thirty-two million, one hundred twenty thousand, two hundred twenty-four".