20162645152 has 96 divisors (see below), whose sum is σ = 43390251072. Its totient is φ = 9167192064.

The previous prime is 20162645149. The next prime is 20162645159. The reversal of 20162645152 is 25154626102.

It is not an unprimeable number, because it can be changed into a prime (20162645159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8589643 + ... + 8591989.

It is an arithmetic number, because the mean of its divisors is an integer number (451981782).

Almost surely, 2^20162645152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20162645152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21695125536).

20162645152 is an abundant number, since it is smaller than the sum of its proper divisors (23227605920).

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

20162645152 is a wasteful number, since it uses less digits than its factorization.

20162645152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670 (or 2662 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 20162645152 in words is "twenty billion, one hundred sixty-two million, six hundred forty-five thousand, one hundred fifty-two".