20100434102 has 16 divisors (see below), whose sum is σ = 34521592992. Its totient is φ = 8598545280.

The previous prime is 20100434047. The next prime is 20100434129. The reversal of 20100434102 is 20143400102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319363 + ... + 1334510.

It is an arithmetic number, because the mean of its divisors is an integer number (2157599562).

Almost surely, 2^20100434102 is an apocalyptic number.

20100434102 is a deficient number, since it is larger than the sum of its proper divisors (14421158890).

20100434102 is a wasteful number, since it uses less digits than its factorization.

20100434102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654423.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20100434102 its reverse (20143400102), we get a palindrome (40243834204).

The spelling of 20100434102 in words is "twenty billion, one hundred million, four hundred thirty-four thousand, one hundred two".