20010966 has 16 divisors (see below), whose sum is σ = 41762304. Its totient is φ = 6380264.

The previous prime is 20010961. The next prime is 20010967. The reversal of 20010966 is 66901002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010961) 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, 72366 + ... + 72641.

It is an arithmetic number, because the mean of its divisors is an integer number (2610144).

Almost surely, 2^20010966 is an apocalyptic number.

20010966 is an abundant number, since it is smaller than the sum of its proper divisors (21751338).

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

20010966 is a wasteful number, since it uses less digits than its factorization.

20010966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145035.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 20010966 is about 4473.3618230588. The cubic root of 20010966 is about 271.4913631011.

Adding to 20010966 its reverse (66901002), we get a palindrome (86911968).

The spelling of 20010966 in words is "twenty million, ten thousand, nine hundred sixty-six".