20000920001 has 8 divisors (see below), whose sum is σ = 20042085000. Its totient is φ = 19959782400.

The previous prime is 20000919989. The next prime is 20000920003. The reversal of 20000920001 is 10002900002.

It can be written as a sum of positive squares in 4 ways, for example, as 172225 + 20000747776 = 415^2 + 141424^2 .

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 20000920001 - 2²⁶ = 19933811137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000920003) 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, 2068025 + ... + 2077673.

It is an arithmetic number, because the mean of its divisors is an integer number (2505260625).

Almost surely, 2^20000920001 is an apocalyptic number.

It is an amenable number.

20000920001 is a deficient number, since it is larger than the sum of its proper divisors (41164999).

20000920001 is an equidigital number, since it uses as much as digits as its factorization.

20000920001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13699.

The product of its (nonzero) digits is 36, while the sum is 14.

The spelling of 20000920001 in words is "twenty billion, nine hundred twenty thousand, one".