20526966 has 16 divisors (see below), whose sum is σ = 45615600. Its totient is φ = 6842304.

The previous prime is 20526959. The next prime is 20526977. The reversal of 20526966 is 66962502.

It is a self number, because there is not a number n which added to its sum of digits gives 20526966.

It is a congruent number.

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, 190011 + ... + 190118.

It is an arithmetic number, because the mean of its divisors is an integer number (2850975).

Almost surely, 2^20526966 is an apocalyptic number.

20526966 is an abundant number, since it is smaller than the sum of its proper divisors (25088634).

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

20526966 is a wasteful number, since it uses less digits than its factorization.

20526966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380140 (or 380134 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 20526966 is about 4530.6694869522. The cubic root of 20526966 is about 273.8051343256.

The spelling of 20526966 in words is "twenty million, five hundred twenty-six thousand, nine hundred sixty-six".