20001000007 has 4 divisors (see below), whose sum is σ = 20006263080. Its totient is φ = 19995736936.

The previous prime is 20001000001. The next prime is 20001000013. The reversal of 20001000007 is 70000010002.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20001000001) and next prime (20001000013).

It is a cyclic number.

It is not a de Polignac number, because 20001000007 - 2³ = 20000999999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000999957 and 20001000002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001000001) 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, 2625832 + ... + 2633437.

It is an arithmetic number, because the mean of its divisors is an integer number (5001565770).

Almost surely, 2^20001000007 is an apocalyptic number.

20001000007 is a deficient number, since it is larger than the sum of its proper divisors (5263073).

20001000007 is an equidigital number, since it uses as much as digits as its factorization.

20001000007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263072.

The product of its (nonzero) digits is 14, while the sum is 10.

Adding to 20001000007 its reverse (70000010002), we get a palindrome (90001010009).

The spelling of 20001000007 in words is "twenty billion, one million, seven", and thus it is an aban number and an uban number.