20010042104 has 48 divisors (see below), whose sum is σ = 41315653800. Its totient is φ = 9078835584.

The previous prime is 20010042089. The next prime is 20010042127. The reversal of 20010042104 is 40124001002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45659 + ... + 205194.

Almost surely, 2^20010042104 is an apocalyptic number.

It is an amenable number.

20010042104 is an abundant number, since it is smaller than the sum of its proper divisors (21305611696).

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

20010042104 is a wasteful number, since it uses less digits than its factorization.

20010042104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250944 (or 250927 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20010042104 its reverse (40124001002), we get a palindrome (60134043106).

The spelling of 20010042104 in words is "twenty billion, ten million, forty-two thousand, one hundred four".