20103520804 has 24 divisors (see below), whose sum is σ = 35534425248. Its totient is φ = 9950957760.

The previous prime is 20103520769. The next prime is 20103520841. The reversal of 20103520804 is 40802530102.

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, 636424 + ... + 667264.

It is an arithmetic number, because the mean of its divisors is an integer number (1480601052).

Almost surely, 2^20103520804 is an apocalyptic number.

It is an amenable number.

20103520804 is a deficient number, since it is larger than the sum of its proper divisors (15430904444).

20103520804 is a wasteful number, since it uses less digits than its factorization.

20103520804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32475 (or 32473 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 20103520804 in words is "twenty billion, one hundred three million, five hundred twenty thousand, eight hundred four".