20000199976 has 96 divisors (see below), whose sum is σ = 41485962240. Its totient is φ = 9020854656.

The previous prime is 20000199931. The next prime is 20000199983. The reversal of 20000199976 is 67999100002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18398905 + ... + 18399991.

It is an arithmetic number, because the mean of its divisors is an integer number (432145440).

Almost surely, 2^20000199976 is an apocalyptic number.

It is an amenable number.

20000199976 is an abundant number, since it is smaller than the sum of its proper divisors (21485762264).

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

20000199976 is a wasteful number, since it uses less digits than its factorization.

20000199976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 43.

Adding to 20000199976 its reverse (67999100002), we get a palindrome (87999299978).

The spelling of 20000199976 in words is "twenty billion, one hundred ninety-nine thousand, nine hundred seventy-six".