20000204012 has 12 divisors (see below), whose sum is σ = 35003856216. Its totient is φ = 9999102240.

The previous prime is 20000203999. The next prime is 20000204033. The reversal of 20000204012 is 21040200002.

It is a super-2 number, since 2×20000204012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20000203984 and 20000204002.

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, 203993 + ... + 285680.

It is an arithmetic number, because the mean of its divisors is an integer number (2916988018).

Almost surely, 2^20000204012 is an apocalyptic number.

It is an amenable number.

20000204012 is a deficient number, since it is larger than the sum of its proper divisors (15003652204).

20000204012 is a wasteful number, since it uses less digits than its factorization.

20000204012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499888 (or 499886 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20000204012 its reverse (21040200002), we get a palindrome (41040404014).

The spelling of 20000204012 in words is "twenty billion, two hundred four thousand, twelve".