20403214304 has 48 divisors (see below), whose sum is σ = 43835659056. Its totient is φ = 9270988800.

The previous prime is 20403214301. The next prime is 20403214313. The reversal of 20403214304 is 40341230402.

It is a self number, because there is not a number n which added to its sum of digits gives 20403214304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20403214301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229744 + ... + 1246224.

It is an arithmetic number, because the mean of its divisors is an integer number (913242897).

Almost surely, 2^20403214304 is an apocalyptic number.

It is an amenable number.

20403214304 is an abundant number, since it is smaller than the sum of its proper divisors (23432444752).

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

20403214304 is a wasteful number, since it uses less digits than its factorization.

20403214304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20019 (or 20011 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20403214304 its reverse (40341230402), we get a palindrome (60744444706).

The spelling of 20403214304 in words is "twenty billion, four hundred three million, two hundred fourteen thousand, three hundred four".