20200000012 has 6 divisors (see below), whose sum is σ = 35350000028. Its totient is φ = 10100000004.

The previous prime is 20199999991. The next prime is 20200000013. The reversal of 20200000012 is 21000000202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20199999950 and 20200000004.

It is not an unprimeable number, because it can be changed into a prime (20200000013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2524999998 + ... + 2525000005.

Almost surely, 2^20200000012 is an apocalyptic number.

It is an amenable number.

20200000012 is a deficient number, since it is larger than the sum of its proper divisors (15150000016).

20200000012 is a wasteful number, since it uses less digits than its factorization.

20200000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050000007 (or 5050000005 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20200000012 its reverse (21000000202), we get a palindrome (41200000214).

The spelling of 20200000012 in words is "twenty billion, two hundred million, twelve", and thus it is an aban number.