20366078223 has 8 divisors (see below), whose sum is σ = 27170556336. Its totient is φ = 13569492800.

The previous prime is 20366078221. The next prime is 20366078263. The reversal of 20366078223 is 32287066302.

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 20366078223 - 2¹ = 20366078221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366078221) 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, 1967148 + ... + 1977473.

It is an arithmetic number, because the mean of its divisors is an integer number (3396319542).

Almost surely, 2^20366078223 is an apocalyptic number.

20366078223 is a deficient number, since it is larger than the sum of its proper divisors (6804478113).

20366078223 is a wasteful number, since it uses less digits than its factorization.

20366078223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946345.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 20366078223 in words is "twenty billion, three hundred sixty-six million, seventy-eight thousand, two hundred twenty-three".