20003531732 has 12 divisors (see below), whose sum is σ = 35132558580. Its totient is φ = 9965657856.

The previous prime is 20003531707. The next prime is 20003531767. The reversal of 20003531732 is 23713530002.

It can be written as a sum of positive squares in 2 ways, for example, as 1125870916 + 18877660816 = 33554^2 + 137396^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9025757 + ... + 9027972.

It is an arithmetic number, because the mean of its divisors is an integer number (2927713215).

Almost surely, 2^20003531732 is an apocalyptic number.

It is an amenable number.

20003531732 is a deficient number, since it is larger than the sum of its proper divisors (15129026848).

20003531732 is a wasteful number, since it uses less digits than its factorization.

20003531732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18054010 (or 18054008 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The spelling of 20003531732 in words is "twenty billion, three million, five hundred thirty-one thousand, seven hundred thirty-two".