Search a number
-
+
20202211001 = 717169766479
BaseRepresentation
bin10010110100001001…
…010100011010111001
31221010221000122121002
4102310021110122321
5312333231223001
613140351254345
71313425650230
oct226411243271
957127018532
1020202211001
118627692155
123ab981a3b5
131b9c55740b
14d990c1b17
157d38b046b
hex4b42546b9

20202211001 has 8 divisors (see below), whose sum is σ = 24446373120. Its totient is φ = 16297581888.

The previous prime is 20202210989. The next prime is 20202211021. The reversal of 20202211001 is 10011220202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-20202211001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202211021) 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, 84883121 + ... + 84883358.

It is an arithmetic number, because the mean of its divisors is an integer number (3055796640).

Almost surely, 220202211001 is an apocalyptic number.

It is an amenable number.

20202211001 is a deficient number, since it is larger than the sum of its proper divisors (4244162119).

20202211001 is a wasteful number, since it uses less digits than its factorization.

20202211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169766503.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20202211001 its reverse (10011220202), we get a palindrome (30213431203).

The spelling of 20202211001 in words is "twenty billion, two hundred two million, two hundred eleven thousand, one".

Divisors: 1 7 17 119 169766479 1188365353 2886030143 20202211001