20266701 has 32 divisors (see below), whose sum is σ = 33831168. Its totient is φ = 10506240.

The previous prime is 20266699. The next prime is 20266709. The reversal of 20266701 is 10766202.

It is a happy number.

It is not a de Polignac number, because 20266701 - 2¹ = 20266699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20266709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16045 + ... + 17261.

It is an arithmetic number, because the mean of its divisors is an integer number (1057224).

Almost surely, 2^20266701 is an apocalyptic number.

20266701 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20266701 is a deficient number, since it is larger than the sum of its proper divisors (13564467).

20266701 is a wasteful number, since it uses less digits than its factorization.

20266701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20266701 is about 4501.8552842134. The cubic root of 20266701 is about 272.6430010034.

The spelling of 20266701 in words is "twenty million, two hundred sixty-six thousand, seven hundred one".