20366707266 has 48 divisors (see below), whose sum is σ = 44601560640. Its totient is φ = 6716161440.

The previous prime is 20366707261. The next prime is 20366707301. The reversal of 20366707266 is 66270766302.

20366707266 is a `hidden beast` number, since 20 + 366 + 7 + 0 + 7 + 266 = 666.

It is not an unprimeable number, because it can be changed into a prime (20366707261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2017680 + ... + 2027748.

It is an arithmetic number, because the mean of its divisors is an integer number (929199180).

Almost surely, 2^20366707266 is an apocalyptic number.

20366707266 is an abundant number, since it is smaller than the sum of its proper divisors (24234853374).

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

20366707266 is a wasteful number, since it uses less digits than its factorization.

20366707266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11271 (or 11268 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 20366707266 in words is "twenty billion, three hundred sixty-six million, seven hundred seven thousand, two hundred sixty-six".