Search a number
-
+
20210430335 = 54042086067
BaseRepresentation
bin10010110100101000…
…101011000101111111
31221011111111020101212
4102310220223011333
5312342332232320
613141243355035
71313555552264
oct226450530577
957144436355
1020210430335
118631296497
123b00522a7b
131ba1174624
14d9a22126b
157d44859c5
hex4b4a2b17f

20210430335 has 4 divisors (see below), whose sum is σ = 24252516408. Its totient is φ = 16168344264.

The previous prime is 20210430329. The next prime is 20210430337. The reversal of 20210430335 is 53303401202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20210430335 is a prime.

It is a super-2 number, since 2×202104303352 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20210430335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210430337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2021043029 + ... + 2021043038.

It is an arithmetic number, because the mean of its divisors is an integer number (6063129102).

Almost surely, 220210430335 is an apocalyptic number.

20210430335 is a deficient number, since it is larger than the sum of its proper divisors (4042086073).

20210430335 is an equidigital number, since it uses as much as digits as its factorization.

20210430335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042086072.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 20210430335 its reverse (53303401202), we get a palindrome (73513831537).

The spelling of 20210430335 in words is "twenty billion, two hundred ten million, four hundred thirty thousand, three hundred thirty-five".

Divisors: 1 5 4042086067 20210430335