20003506774001 has 4 divisors (see below), whose sum is σ = 20009015867904. Its totient is φ = 19997997680100.

The previous prime is 20003506773997. The next prime is 20003506774049. The reversal of 20003506774001 is 10047760530002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20003506774001 - 2² = 20003506773997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20003506774061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754541505 + ... + 2754548766.

It is an arithmetic number, because the mean of its divisors is an integer number (5002253966976).

Almost surely, 2^{20003506774001} is an apocalyptic number.

It is an amenable number.

20003506774001 is a deficient number, since it is larger than the sum of its proper divisors (5509093903).

20003506774001 is an equidigital number, since it uses as much as digits as its factorization.

20003506774001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5509093902.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 20003506774001 in words is "twenty trillion, three billion, five hundred six million, seven hundred seventy-four thousand, one".