20134402213432 has 32 divisors (see below), whose sum is σ = 41521025851200. Its totient is φ = 9095081848704.

The previous prime is 20134402213391. The next prime is 20134402213433. The reversal of 20134402213432 is 23431220443102.

It is a junction number, because it is equal to n+sod(n) for n = 20134402213394 and 20134402213403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134402213433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059569807 + ... + 2059579582.

It is an arithmetic number, because the mean of its divisors is an integer number (1297532057850).

Almost surely, 2^{20134402213432} is an apocalyptic number.

It is an amenable number.

20134402213432 is an abundant number, since it is smaller than the sum of its proper divisors (21386623637768).

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

20134402213432 is a wasteful number, since it uses less digits than its factorization.

20134402213432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119149455 (or 4119149451 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 20134402213432 its reverse (23431220443102), we get a palindrome (43565622656534).

The spelling of 20134402213432 in words is "twenty trillion, one hundred thirty-four billion, four hundred two million, two hundred thirteen thousand, four hundred thirty-two".