20146276 has 6 divisors (see below), whose sum is σ = 35255990. Its totient is φ = 10073136.

The previous prime is 20146267. The next prime is 20146277. The reversal of 20146276 is 67264102.

It can be written as a sum of positive squares in only one way, i.e., 20016676 + 129600 = 4474^2 + 360^2 .

It is not an unprimeable number, because it can be changed into a prime (20146277) 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 as a sum of consecutive naturals, namely, 2518281 + ... + 2518288.

Almost surely, 2^20146276 is an apocalyptic number.

It is an amenable number.

20146276 is a deficient number, since it is larger than the sum of its proper divisors (15109714).

20146276 is a wasteful number, since it uses less digits than its factorization.

20146276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036573 (or 5036571 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20146276 is about 4488.4603150746. The cubic root of 20146276 is about 272.1019117825.

The spelling of 20146276 in words is "twenty million, one hundred forty-six thousand, two hundred seventy-six".