20432434342124 has 12 divisors (see below), whose sum is σ = 40864868684304. Its totient is φ = 8756757575184.

The previous prime is 20432434342081. The next prime is 20432434342129. The reversal of 20432434342124 is 42124343423402.

20432434342124 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20432434342129) 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, 364864898939 + ... + 364864898994.

It is an arithmetic number, because the mean of its divisors is an integer number (3405405723692).

Almost surely, 2^{20432434342124} is an apocalyptic number.

It is an amenable number.

20432434342124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20432434342124 is a wasteful number, since it uses less digits than its factorization.

20432434342124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729729797944 (or 729729797942 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 20432434342124 its reverse (42124343423402), we get a palindrome (62556777765526).

The spelling of 20432434342124 in words is "twenty trillion, four hundred thirty-two billion, four hundred thirty-four million, three hundred forty-two thousand, one hundred twenty-four".