20413132224 has 56 divisors (see below), whose sum is σ = 56358007680. Its totient is φ = 6508533504.

The previous prime is 20413132213. The next prime is 20413132253. The reversal of 20413132224 is 42223131402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20413132194 and 20413132203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306854 + ... + 2315685.

Almost surely, 2^20413132224 is an apocalyptic number.

20413132224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20413132224 is an abundant number, since it is smaller than the sum of its proper divisors (35944875456).

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

20413132224 is a wasteful number, since it uses less digits than its factorization.

20413132224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622577 (or 4622567 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20413132224 its reverse (42223131402), we get a palindrome (62636263626).

The spelling of 20413132224 in words is "twenty billion, four hundred thirteen million, one hundred thirty-two thousand, two hundred twenty-four".