20000465516 has 6 divisors (see below), whose sum is σ = 35000814660. Its totient is φ = 10000232756.

The previous prime is 20000465503. The next prime is 20000465521. The reversal of 20000465516 is 61556400002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500058186 + ... + 2500058193.

It is an arithmetic number, because the mean of its divisors is an integer number (5833469110).

Almost surely, 2^20000465516 is an apocalyptic number.

It is an amenable number.

20000465516 is a deficient number, since it is larger than the sum of its proper divisors (15000349144).

20000465516 is a wasteful number, since it uses less digits than its factorization.

20000465516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000116383 (or 5000116381 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 20000465516 its reverse (61556400002), we get a palindrome (81556865518).

The spelling of 20000465516 in words is "twenty billion, four hundred sixty-five thousand, five hundred sixteen".