20216097852 has 24 divisors (see below), whose sum is σ = 47739221376. Its totient is φ = 6657509808.

The previous prime is 20216097823. The next prime is 20216097857. The reversal of 20216097852 is 25879061202.

It is a super-2 number, since 2×20216097852² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20216097857) 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, 10147648 + ... + 10149639.

It is an arithmetic number, because the mean of its divisors is an integer number (1989134224).

Almost surely, 2^20216097852 is an apocalyptic number.

It is an amenable number.

20216097852 is an abundant number, since it is smaller than the sum of its proper divisors (27523123524).

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

20216097852 is a wasteful number, since it uses less digits than its factorization.

20216097852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20297377 (or 20297375 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 20216097852 in words is "twenty billion, two hundred sixteen million, ninety-seven thousand, eight hundred fifty-two".