Search a number
-
+
202020212210 = 2543469814447
BaseRepresentation
bin1011110000100101010…
…1111100110111110010
3201022110010200002122212
42330021111330313302
511302214133242320
6232450134132122
720411151320345
oct2741125746762
9638403602585
10202020212210
1178749163573
12331a01b1042
1316086a2240b
149ac651c45c
1553c59ca9c5
hex2f0957cdf2

202020212210 has 16 divisors (see below), whose sum is σ = 372093042816. Its totient is φ = 78928826928.

The previous prime is 202020212203. The next prime is 202020212237. The reversal of 202020212210 is 12212020202.

It is a super-2 number, since 2×2020202122102 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234906794 + ... + 234907653.

It is an arithmetic number, because the mean of its divisors is an integer number (23255815176).

Almost surely, 2202020212210 is an apocalyptic number.

202020212210 is a deficient number, since it is larger than the sum of its proper divisors (170072830606).

202020212210 is a wasteful number, since it uses less digits than its factorization.

202020212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469814497.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202020212210 its reverse (12212020202), we get a palindrome (214232232412).

The spelling of 202020212210 in words is "two hundred two billion, twenty million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 43 86 215 430 469814447 939628894 2349072235 4698144470 20202021221 40404042442 101010106105 202020212210