20473260 has 48 divisors (see below), whose sum is σ = 60345600. Its totient is φ = 5171904.

The previous prime is 20473231. The next prime is 20473261. The reversal of 20473260 is 6237402.

It is a self number, because there is not a number n which added to its sum of digits gives 20473260.

It is not an unprimeable number, because it can be changed into a prime (20473261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7840 + ... + 10119.

It is an arithmetic number, because the mean of its divisors is an integer number (1257200).

Almost surely, 2^20473260 is an apocalyptic number.

20473260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20473260 is an abundant number, since it is smaller than the sum of its proper divisors (39872340).

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

20473260 is a wasteful number, since it uses less digits than its factorization.

20473260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17990 (or 17988 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 20473260 is about 4524.7386664867. The cubic root of 20473260 is about 273.5661345348.

The spelling of 20473260 in words is "twenty million, four hundred seventy-three thousand, two hundred sixty".