20162216352 has 48 divisors (see below), whose sum is σ = 52940986560. Its totient is φ = 6718812672.

The previous prime is 20162216303. The next prime is 20162216353. The reversal of 20162216352 is 25361226102.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-4 number, since 4×20162216352⁴ (a number of 42 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (20162216353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328788 + ... + 385260.

It is an arithmetic number, because the mean of its divisors is an integer number (1102937220).

Almost surely, 2^20162216352 is an apocalyptic number.

It is an amenable number.

20162216352 is an abundant number, since it is smaller than the sum of its proper divisors (32778770208).

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

20162216352 is a wasteful number, since it uses less digits than its factorization.

20162216352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60205 (or 60197 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 20162216352 in words is "twenty billion, one hundred sixty-two million, two hundred sixteen thousand, three hundred fifty-two".