20203104 has 48 divisors (see below), whose sum is σ = 53267760. Its totient is φ = 6704640.

The previous prime is 20203093. The next prime is 20203129. The reversal of 20203104 is 40130202.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×20203104² = 816330822469632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20203104.

It is a congruent number.

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, 37074 + ... + 37614.

It is an arithmetic number, because the mean of its divisors is an integer number (1109745).

Almost surely, 2^20203104 is an apocalyptic number.

20203104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20203104 is an abundant number, since it is smaller than the sum of its proper divisors (33064656).

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

20203104 is a wasteful number, since it uses less digits than its factorization.

20203104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20203104 is about 4494.7863130520. The cubic root of 20203104 is about 272.3575171856.

Adding to 20203104 its reverse (40130202), we get a palindrome (60333306).

The spelling of 20203104 in words is "twenty million, two hundred three thousand, one hundred four".