20761068 has 12 divisors (see below), whose sum is σ = 48442520. Its totient is φ = 6920352.

The previous prime is 20761067. The next prime is 20761087. The reversal of 20761068 is 86016702.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20761067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865033 + ... + 865056.

Almost surely, 2^20761068 is an apocalyptic number.

It is an amenable number.

20761068 is an abundant number, since it is smaller than the sum of its proper divisors (27681452).

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

20761068 is a wasteful number, since it uses less digits than its factorization.

20761068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730096 (or 1730094 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 20761068 is about 4556.4314984426. The cubic root of 20761068 is about 274.8420823365.

The spelling of 20761068 in words is "twenty million, seven hundred sixty-one thousand, sixty-eight".