20403060432 has 80 divisors (see below), whose sum is σ = 56896179840. Its totient is φ = 6280992256.

The previous prime is 20403060421. The next prime is 20403060437. The reversal of 20403060432 is 23406030402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20403060437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286623 + ... + 350654.

It is an arithmetic number, because the mean of its divisors is an integer number (711202248).

Almost surely, 2^20403060432 is an apocalyptic number.

It is an amenable number.

20403060432 is an abundant number, since it is smaller than the sum of its proper divisors (36493119408).

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

20403060432 is a wasteful number, since it uses less digits than its factorization.

20403060432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637340 (or 637334 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20403060432 its reverse (23406030402), we get a palindrome (43809090834).

It can be divided in two parts, 204030 and 60432, that added together give a palindrome (264462).

The spelling of 20403060432 in words is "twenty billion, four hundred three million, sixty thousand, four hundred thirty-two".