20434032132012 has 72 divisors (see below), whose sum is σ = 52143717212496. Its totient is φ = 6746613755904.

The previous prime is 20434032132001. The next prime is 20434032132037. The reversal of 20434032132012 is 21023123043402.

20434032132012 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 4 + 0 + 321 + 320 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23991568 + ... + 24828680.

It is an arithmetic number, because the mean of its divisors is an integer number (724218294618).

Almost surely, 2^{20434032132012} is an apocalyptic number.

It is an amenable number.

20434032132012 is an abundant number, since it is smaller than the sum of its proper divisors (31709685080484).

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

20434032132012 is a wasteful number, since it uses less digits than its factorization.

20434032132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843567 (or 843562 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20434032132012 its reverse (21023123043402), we get a palindrome (41457155175414).

The spelling of 20434032132012 in words is "twenty trillion, four hundred thirty-four billion, thirty-two million, one hundred thirty-two thousand, twelve".