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102066022020 = 223513712416791
BaseRepresentation
bin101111100001110011…
…0111110011010000100
3100202110011020010122210
41133003212332122010
53133012400201040
6114515525023420
710242201605214
oct1370346763204
9322404203583
10102066022020
113a316677016
1217945854b70
139817861a91
144d235c4244
1529c57de480
hex17c39be684

102066022020 has 48 divisors (see below), whose sum is σ = 287870905728. Its totient is φ = 27018935040.

The previous prime is 102066021989. The next prime is 102066022027. The reversal of 102066022020 is 20220660201.

It is not an unprimeable number, because it can be changed into a prime (102066022027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6200176 + ... + 6216615.

It is an arithmetic number, because the mean of its divisors is an integer number (5997310536).

Almost surely, 2102066022020 is an apocalyptic number.

102066022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102066022020 is an abundant number, since it is smaller than the sum of its proper divisors (185804883708).

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

102066022020 is a wasteful number, since it uses less digits than its factorization.

102066022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12416940 (or 12416938 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102066022020 its reverse (20220660201), we get a palindrome (122286682221).

The spelling of 102066022020 in words is "one hundred two billion, sixty-six million, twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 137 274 411 548 685 822 1370 1644 2055 2740 4110 8220 12416791 24833582 37250373 49667164 62083955 74500746 124167910 149001492 186251865 248335820 372503730 745007460 1701100367 3402200734 5103301101 6804401468 8505501835 10206602202 17011003670 20413204404 25516505505 34022007340 51033011010 102066022020