Search a number
-
+
20026350436 = 22191607163973
BaseRepresentation
bin10010101001101010…
…011101101101100100
31220200200010000020211
4102221222131231210
5312003221203221
613111110105204
71306162112221
oct225152355544
956620100224
1020026350436
118547397544
123a6a94b204
131b71ca2701
14d7d9c4948
157c32236e1
hex4a9a9db64

20026350436 has 24 divisors (see below), whose sum is σ = 36913826880. Its totient is φ = 9480205152.

The previous prime is 20026350433. The next prime is 20026350439. The reversal of 20026350436 is 63405362002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20026350433) and next prime (20026350439).

It is a junction number, because it is equal to n+sod(n) for n = 20026350398 and 20026350407.

It is not an unprimeable number, because it can be changed into a prime (20026350433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40146 + ... + 204118.

It is an arithmetic number, because the mean of its divisors is an integer number (1538076120).

Almost surely, 220026350436 is an apocalyptic number.

It is an amenable number.

20026350436 is a deficient number, since it is larger than the sum of its proper divisors (16887476444).

20026350436 is a wasteful number, since it uses less digits than its factorization.

20026350436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165603 (or 165601 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 20026350436 in words is "twenty billion, twenty-six million, three hundred fifty thousand, four hundred thirty-six".

Divisors: 1 2 4 19 38 76 1607 3214 6428 30533 61066 122132 163973 327946 655892 3115487 6230974 12461948 263504611 527009222 1054018444 5006587609 10013175218 20026350436