20930104 has 16 divisors (see below), whose sum is σ = 42262920. Its totient is φ = 9660000.

The previous prime is 20930101. The next prime is 20930113. The reversal of 20930104 is 40103902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20930101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100522 + ... + 100729.

Almost surely, 2^20930104 is an apocalyptic number.

It is an amenable number.

20930104 is an abundant number, since it is smaller than the sum of its proper divisors (21332816).

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

20930104 is a wasteful number, since it uses less digits than its factorization.

20930104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201270 (or 201266 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20930104 is about 4574.9430597550. The cubic root of 20930104 is about 275.5859857229.

The spelling of 20930104 in words is "twenty million, nine hundred thirty thousand, one hundred four".