20103474550 has 24 divisors (see below), whose sum is σ = 38403073296. Its totient is φ = 7824054240.

The previous prime is 20103474539. The next prime is 20103474551. The reversal of 20103474550 is 5547430102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103474551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5431522 + ... + 5435221.

It is an arithmetic number, because the mean of its divisors is an integer number (1600128054).

Almost surely, 2^20103474550 is an apocalyptic number.

20103474550 is a deficient number, since it is larger than the sum of its proper divisors (18299598746).

20103474550 is a wasteful number, since it uses less digits than its factorization.

20103474550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10866792 (or 10866787 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 20103474550 in words is "twenty billion, one hundred three million, four hundred seventy-four thousand, five hundred fifty".