20004513051 has 8 divisors (see below), whose sum is σ = 27832366080. Its totient is φ = 12756501032.

The previous prime is 20004513049. The next prime is 20004513059. The reversal of 20004513051 is 15031540002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20004513051 - 2¹ = 20004513049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20004513059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144960171 + ... + 144960308.

It is an arithmetic number, because the mean of its divisors is an integer number (3479045760).

Almost surely, 2^20004513051 is an apocalyptic number.

20004513051 is a deficient number, since it is larger than the sum of its proper divisors (7827853029).

20004513051 is a wasteful number, since it uses less digits than its factorization.

20004513051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289920505.

The product of its (nonzero) digits is 600, while the sum is 21.

The spelling of 20004513051 in words is "twenty billion, four million, five hundred thirteen thousand, fifty-one".