Search a number
-
+
20395022 = 210197511
BaseRepresentation
bin100110111001…
…1010000001110
31102101011201012
41031303100032
520210120042
62005045222
7335232464
oct115632016
942334635
1020395022
111057009a
1269b6812
1342c117b
1429cc834
151bcce82
hex137340e

20395022 has 4 divisors (see below), whose sum is σ = 30592536. Its totient is φ = 10197510.

The previous prime is 20395021. The next prime is 20395027. The reversal of 20395022 is 22059302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20395021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5098754 + ... + 5098757.

It is an arithmetic number, because the mean of its divisors is an integer number (7648134).

Almost surely, 220395022 is an apocalyptic number.

20395022 is a deficient number, since it is larger than the sum of its proper divisors (10197514).

20395022 is a wasteful number, since it uses less digits than its factorization.

20395022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10197513.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20395022 is about 4516.0848087696. The cubic root of 20395022 is about 273.2172145409.

The spelling of 20395022 in words is "twenty million, three hundred ninety-five thousand, twenty-two".

Divisors: 1 2 10197511 20395022