20403001152 has 42 divisors (see below), whose sum is σ = 58481520578. Its totient is φ = 6801000192.

The previous prime is 20403001147. The next prime is 20403001189. The reversal of 20403001152 is 25110030402.

It can be written as a sum of positive squares in only one way, i.e., 18524298816 + 1878702336 = 136104^2 + 43344^2 .

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, 17710363 + ... + 17711514.

Almost surely, 2^20403001152 is an apocalyptic number.

It is an amenable number.

20403001152 is an abundant number, since it is smaller than the sum of its proper divisors (38078519426).

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

20403001152 is a wasteful number, since it uses less digits than its factorization.

20403001152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35421895 (or 35421882 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 20403001152 its reverse (25110030402), we get a palindrome (45513031554).

The spelling of 20403001152 in words is "twenty billion, four hundred three million, one thousand, one hundred fifty-two".