20004513435 has 32 divisors (see below), whose sum is σ = 36710799360. Its totient is φ = 10324908000.

The previous prime is 20004513421. The next prime is 20004513443. The reversal of 20004513435 is 53431540002.

20004513435 is a `hidden beast` number, since 200 + 0 + 451 + 3 + 4 + 3 + 5 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-20004513435 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20004513399 and 20004513408.

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 31 ways as a sum of consecutive naturals, for example, 2385841 + ... + 2394210.

It is an arithmetic number, because the mean of its divisors is an integer number (1147212480).

Almost surely, 2^20004513435 is an apocalyptic number.

20004513435 is a deficient number, since it is larger than the sum of its proper divisors (16706285925).

20004513435 is a wasteful number, since it uses less digits than its factorization.

20004513435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780096 (or 4780090 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 20004513435 in words is "twenty billion, four million, five hundred thirteen thousand, four hundred thirty-five".