20412305132 has 12 divisors (see below), whose sum is σ = 35722579536. Its totient is φ = 10205853840.

The previous prime is 20412305117. The next prime is 20412305143. The reversal of 20412305132 is 23150321402.

It is a junction number, because it is equal to n+sod(n) for n = 20412305098 and 20412305107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163382 + ... + 259842.

It is an arithmetic number, because the mean of its divisors is an integer number (2976881628).

Almost surely, 2^20412305132 is an apocalyptic number.

It is an amenable number.

20412305132 is a deficient number, since it is larger than the sum of its proper divisors (15310274404).

20412305132 is a wasteful number, since it uses less digits than its factorization.

20412305132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149368 (or 149366 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20412305132 its reverse (23150321402), we get a palindrome (43562626534).

The spelling of 20412305132 in words is "twenty billion, four hundred twelve million, three hundred five thousand, one hundred thirty-two".