20229527216 has 20 divisors (see below), whose sum is σ = 40546251600. Its totient is φ = 9765978432.

The previous prime is 20229527191. The next prime is 20229527233. The reversal of 20229527216 is 61272592202.

It is a self number, because there is not a number n which added to its sum of digits gives 20229527216.

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, 21798596 + ... + 21799523.

It is an arithmetic number, because the mean of its divisors is an integer number (2027312580).

Almost surely, 2^20229527216 is an apocalyptic number.

It is an amenable number.

20229527216 is an abundant number, since it is smaller than the sum of its proper divisors (20316724384).

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

20229527216 is a wasteful number, since it uses less digits than its factorization.

20229527216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43598156 (or 43598150 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 20229527216 in words is "twenty billion, two hundred twenty-nine million, five hundred twenty-seven thousand, two hundred sixteen".