20403010332 has 18 divisors (see below), whose sum is σ = 51574276208. Its totient is φ = 6801003432.

The previous prime is 20403010321. The next prime is 20403010367. The reversal of 20403010332 is 23301030402.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283375108 + ... + 283375179.

Almost surely, 2^20403010332 is an apocalyptic number.

It is an amenable number.

20403010332 is an abundant number, since it is smaller than the sum of its proper divisors (31171265876).

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

20403010332 is a wasteful number, since it uses less digits than its factorization.

20403010332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566750297 (or 566750292 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20403010332 its reverse (23301030402), we get a palindrome (43704040734).

The spelling of 20403010332 in words is "twenty billion, four hundred three million, ten thousand, three hundred thirty-two".