20000000007 has 32 divisors (see below), whose sum is σ = 31917412800. Its totient is φ = 12304382976.

The previous prime is 19999999967. The next prime is 20000000089. The reversal of 20000000007 is 70000000002.

It is not a de Polignac number, because 20000000007 - 2¹⁰ = 19999998983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000004007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2225419 + ... + 2234387.

It is an arithmetic number, because the mean of its divisors is an integer number (997419150).

Almost surely, 2^20000000007 is an apocalyptic number.

20000000007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20000000007 is a deficient number, since it is larger than the sum of its proper divisors (11917412793).

20000000007 is a wasteful number, since it uses less digits than its factorization.

20000000007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15344 (or 15338 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 9.

Adding to 20000000007 its reverse (70000000002), we get a palindrome (90000000009).

The spelling of 20000000007 in words is "twenty billion, seven", and thus it is an aban number and an uban number.