20292448221796 has 27 divisors (see below), whose sum is σ = 35714120851731. Its totient is φ = 10088739455544.

The previous prime is 20292448221733. The next prime is 20292448221797. The reversal of 20292448221796 is 69712284429202.

The square root of 20292448221796 is 4504714.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20292448221796.

It is not an unprimeable number, because it can be changed into a prime (20292448221797) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1612681321 + ... + 1612693903.

Almost surely, 2^{20292448221796} is an apocalyptic number.

20292448221796 is the 4504714-th square number.

It is an amenable number.

20292448221796 is a deficient number, since it is larger than the sum of its proper divisors (15421672629935).

20292448221796 is an frugal number, since it uses more digits than its factorization.

20292448221796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25528 (or 12764 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 20292448221796 in words is "twenty trillion, two hundred ninety-two billion, four hundred forty-eight million, two hundred twenty-one thousand, seven hundred ninety-six".