20766234 has 16 divisors (see below), whose sum is σ = 41700960. Its totient is φ = 6894000.

The previous prime is 20766211. The next prime is 20766241. The reversal of 20766234 is 43266702.

20766234 is nontrivially palindromic in base 12.

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, 5389 + ... + 8400.

It is an arithmetic number, because the mean of its divisors is an integer number (2606310).

Almost surely, 2^20766234 is an apocalyptic number.

20766234 is an abundant number, since it is smaller than the sum of its proper divisors (20934726).

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

20766234 is a wasteful number, since it uses less digits than its factorization.

20766234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14045.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 20766234 is about 4556.9983541801. The cubic root of 20766234 is about 274.8648768679.

The spelling of 20766234 in words is "twenty million, seven hundred sixty-six thousand, two hundred thirty-four".