20493067716 has 189 divisors, whose sum is σ = 59348493309. Its totient is φ = 6184252800.

The previous prime is 20493067711. The next prime is 20493067717. The reversal of 20493067716 is 61776039402.

The square root of 20493067716 is 143154.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15412229316 + 5080838400 = 124146^2 + 71280^2 .

It is a super-2 number, since 2×20493067716² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20493067711) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 85033356 + ... + 85033596.

Almost surely, 2^20493067716 is an apocalyptic number.

20493067716 is the 143154-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20493067716

20493067716 is an abundant number, since it is smaller than the sum of its proper divisors (38855425593).

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

20493067716 is an equidigital number, since it uses as much as digits as its factorization.

20493067716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 20493067716 in words is "twenty billion, four hundred ninety-three million, sixty-seven thousand, seven hundred sixteen".