20061268 has 6 divisors (see below), whose sum is σ = 35107226. Its totient is φ = 10030632.

The previous prime is 20061199. The next prime is 20061269. The reversal of 20061268 is 86216002.

It can be written as a sum of positive squares in only one way, i.e., 18766224 + 1295044 = 4332^2 + 1138^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20061269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2507655 + ... + 2507662.

Almost surely, 2^20061268 is an apocalyptic number.

It is an amenable number.

20061268 is a deficient number, since it is larger than the sum of its proper divisors (15045958).

20061268 is a wasteful number, since it uses less digits than its factorization.

20061268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015321 (or 5015319 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 20061268 is about 4478.9806876119. The cubic root of 20061268 is about 271.7186573352.

The spelling of 20061268 in words is "twenty million, sixty-one thousand, two hundred sixty-eight".