20194049102 has 16 divisors (see below), whose sum is σ = 30435955200. Its totient is φ = 10048758072.

The previous prime is 20194049101. The next prime is 20194049149.

20194049102 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20194049101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2923649 + ... + 2930547.

It is an arithmetic number, because the mean of its divisors is an integer number (1902247200).

Almost surely, 2^20194049102 is an apocalyptic number.

20194049102 is a deficient number, since it is larger than the sum of its proper divisors (10241906098).

20194049102 is a wasteful number, since it uses less digits than its factorization.

20194049102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13687.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 20194049102 in words is "twenty billion, one hundred ninety-four million, forty-nine thousand, one hundred two".