Search a number
-
+
202020201002122 = 21013832611227167
BaseRepresentation
bin101101111011110001111110…
…010100010111010010001010
3222111021221110011020010212021
4231323301332110113102022
5202434344332424031442
61553354444340035054
760360322623436516
oct5573617624272212
9874257404203767
10202020201002122
11594083168a0008
121a7a8a50692a8a
138895566a46339
1437c5b8935d146
15185502078de67
hexb7bc7e51748a

202020201002122 has 16 divisors (see below), whose sum is σ = 306829637148672. Its totient is φ = 99748877741200.

The previous prime is 202020201002033. The next prime is 202020201002129. The reversal of 202020201002122 is 221200102020202.

It is a super-2 number, since 2×2020202010021222 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202020201002096 and 202020201002105.

It is not an unprimeable number, because it can be changed into a prime (202020201002129) 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, 1305536218 + ... + 1305690949.

It is an arithmetic number, because the mean of its divisors is an integer number (19176852321792).

Almost surely, 2202020201002122 is an apocalyptic number.

202020201002122 is a deficient number, since it is larger than the sum of its proper divisors (104809436146550).

202020201002122 is a wasteful number, since it uses less digits than its factorization.

202020201002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611227653.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202020201002122 its reverse (221200102020202), we get a palindrome (423220303022324).

The spelling of 202020201002122 in words is "two hundred two trillion, twenty billion, two hundred one million, two thousand, one hundred twenty-two".

Divisors: 1 2 101 202 383 766 38683 77366 2611227167 5222454334 263733943867 527467887734 1000100004961 2000200009922 101010100501061 202020201002122