20223884785 has 8 divisors (see below), whose sum is σ = 26135481960. Its totient is φ = 14934561024.

The previous prime is 20223884771. The next prime is 20223884839. The reversal of 20223884785 is 58748832202.

It can be written as a sum of positive squares in 4 ways, for example, as 5035536 + 20218849249 = 2244^2 + 142193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20223884785 - 2¹³ = 20223876593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155568280 + ... + 155568409.

It is an arithmetic number, because the mean of its divisors is an integer number (3266935245).

Almost surely, 2^20223884785 is an apocalyptic number.

It is an amenable number.

20223884785 is a deficient number, since it is larger than the sum of its proper divisors (5911597175).

20223884785 is a wasteful number, since it uses less digits than its factorization.

20223884785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311136707.

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 20223884785 in words is "twenty billion, two hundred twenty-three million, eight hundred eighty-four thousand, seven hundred eighty-five".