20000000004 has 12 divisors (see below), whose sum is σ = 46666666704. Its totient is φ = 6666666664.

The previous prime is 19999999967. The next prime is 20000000089. The reversal of 20000000004 is 40000000002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833333322 + ... + 833333345.

It is an arithmetic number, because the mean of its divisors is an integer number (3888888892).

Almost surely, 2^20000000004 is an apocalyptic number.

It is an amenable number.

20000000004 is an abundant number, since it is smaller than the sum of its proper divisors (26666666700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000000004 is a wasteful number, since it uses less digits than its factorization.

20000000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666666674 (or 1666666672 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 6.

Adding to 20000000004 its reverse (40000000002), we get a palindrome (60000000006).

It can be divided in two parts, 2000000000 and 4, that multiplied together give a cube (8000000000 = 2000³).

The spelling of 20000000004 in words is "twenty billion, four", and thus it is an aban number.