20403333243032 has 32 divisors (see below), whose sum is σ = 39070735646400. Its totient is φ = 9984476216064.

The previous prime is 20403333243017. The next prime is 20403333243071. The reversal of 20403333243032 is 23034233330402.

It is a self number, because there is not a number n which added to its sum of digits gives 20403333243032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31463444 + ... + 32105372.

It is an arithmetic number, because the mean of its divisors is an integer number (1220960488950).

Almost surely, 2^{20403333243032} is an apocalyptic number.

It is an amenable number.

20403333243032 is a deficient number, since it is larger than the sum of its proper divisors (18667402403368).

20403333243032 is a wasteful number, since it uses less digits than its factorization.

20403333243032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726515 (or 726511 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 32.

Adding to 20403333243032 its reverse (23034233330402), we get a palindrome (43437566573434).

The spelling of 20403333243032 in words is "twenty trillion, four hundred three billion, three hundred thirty-three million, two hundred forty-three thousand, thirty-two".