20432032100434 has 32 divisors (see below), whose sum is σ = 33862201476480. Its totient is φ = 9196913332992.

The previous prime is 20432032100357. The next prime is 20432032100461. The reversal of 20432032100434 is 43400123023402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120908952 + ... + 121077820.

It is an arithmetic number, because the mean of its divisors is an integer number (1058193796140).

Almost surely, 2^{20432032100434} is an apocalyptic number.

20432032100434 is a deficient number, since it is larger than the sum of its proper divisors (13430169376046).

20432032100434 is a wasteful number, since it uses less digits than its factorization.

20432032100434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323634.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20432032100434 its reverse (43400123023402), we get a palindrome (63832155123836).

The spelling of 20432032100434 in words is "twenty trillion, four hundred thirty-two billion, thirty-two million, one hundred thousand, four hundred thirty-four".