20068754 has 8 divisors (see below), whose sum is σ = 31141260. Its totient is φ = 9688336.

The previous prime is 20068751. The next prime is 20068757. The reversal of 20068754 is 45786002.

It is an interprime number because it is at equal distance from previous prime (20068751) and next prime (20068757).

It can be written as a sum of positive squares in 2 ways, for example, as 17833729 + 2235025 = 4223^2 + 1495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20068754² = 805509774225032, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20068754.

It is not an unprimeable number, because it can be changed into a prime (20068751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172949 + ... + 173064.

Almost surely, 2^20068754 is an apocalyptic number.

20068754 is a deficient number, since it is larger than the sum of its proper divisors (11072506).

20068754 is a wasteful number, since it uses less digits than its factorization.

20068754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346044.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 20068754 is about 4479.8162908762. The cubic root of 20068754 is about 271.7524510267.

The spelling of 20068754 in words is "twenty million, sixty-eight thousand, seven hundred fifty-four".