20273814 has 80 divisors (see below), whose sum is σ = 51296256. Its totient is φ = 5929200.

The previous prime is 20273791. The next prime is 20273819. The reversal of 20273814 is 41837202.

It is a super-2 number, since 2×20273814² = 822055068213192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20273819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55059 + ... + 55425.

Almost surely, 2^20273814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20273814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25648128).

20273814 is an abundant number, since it is smaller than the sum of its proper divisors (31022442).

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

20273814 is a wasteful number, since it uses less digits than its factorization.

20273814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 20273814 is about 4502.6452225331. The cubic root of 20273814 is about 272.6748937591.

The spelling of 20273814 in words is "twenty million, two hundred seventy-three thousand, eight hundred fourteen".