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212020133022 = 232831391020967
BaseRepresentation
bin1100010101110101100…
…0100111110010011110
3202021021001021201011100
43011131120213302132
511433204123224042
6241222315133530
721214025252415
oct3053530476236
9667231251140
10212020133022
1181a0a924035
12351111442a6
1316cbb6b2819
14a39466047c
1557ad87024c
hex315d627c9e

212020133022 has 48 divisors (see below), whose sum is σ = 468256763520. Its totient is φ = 69319507536.

The previous prime is 212020133021. The next prime is 212020133023. The reversal of 212020133022 is 220331020212.

It is an interprime number because it is at equal distance from previous prime (212020133021) and next prime (212020133023).

It is a super-3 number, since 3×2120201330223 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212020132986 and 212020133004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020133021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302818 + ... + 718149.

It is an arithmetic number, because the mean of its divisors is an integer number (9755349240).

Almost surely, 2212020133022 is an apocalyptic number.

212020133022 is an abundant number, since it is smaller than the sum of its proper divisors (256236630498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212020133022 is a wasteful number, since it uses less digits than its factorization.

212020133022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021197 (or 1021194 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212020133022 its reverse (220331020212), we get a palindrome (432351153234).

The spelling of 212020133022 in words is "two hundred twelve billion, twenty million, one hundred thirty-three thousand, twenty-two".

Divisors: 1 2 3 6 9 18 83 139 166 249 278 417 498 747 834 1251 1494 2502 11537 23074 34611 69222 103833 207666 1020967 2041934 3062901 6125802 9188703 18377406 84740261 141914413 169480522 254220783 283828826 425743239 508441566 762662349 851486478 1277229717 1525324698 2554459434 11778896279 23557792558 35336688837 70673377674 106010066511 212020133022