20004545001 has 8 divisors (see below), whose sum is σ = 30483116224. Its totient is φ = 11431168560.

The previous prime is 20004544979. The next prime is 20004545003. The reversal of 20004545001 is 10054540002.

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

It is not a de Polignac number, because 20004545001 - 2⁵ = 20004544969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 952597381 = 20004545001 / (2 + 0 + 0 + 0 + 4 + 5 + 4 + 5 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20004545003) 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, 476298670 + ... + 476298711.

It is an arithmetic number, because the mean of its divisors is an integer number (3810389528).

Almost surely, 2^20004545001 is an apocalyptic number.

20004545001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20004545001 is a deficient number, since it is larger than the sum of its proper divisors (10478571223).

20004545001 is an equidigital number, since it uses as much as digits as its factorization.

20004545001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952597391.

The product of its (nonzero) digits is 800, while the sum is 21.

The spelling of 20004545001 in words is "twenty billion, four million, five hundred forty-five thousand, one".