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20220021030 = 23511490312497
BaseRepresentation
bin10010110101001101…
…010000100100100110
31221012011112111100210
4102311031100210212
5312402311133110
613142225120250
71314033225426
oct226515204446
957164474323
1020220021030
118636747090
123b03789086
131ba3151ab1
14d9b5da486
157d522c520
hex4b5350926

20220021030 has 64 divisors (see below), whose sum is σ = 52954725888. Its totient is φ = 4900431360.

The previous prime is 20220020999. The next prime is 20220021061. The reversal of 20220021030 is 3012002202.

It is an interprime number because it is at equal distance from previous prime (20220020999) and next prime (20220021061).

It is a junction number, because it is equal to n+sod(n) for n = 20220020997 and 20220021015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1611742 + ... + 1624238.

It is an arithmetic number, because the mean of its divisors is an integer number (827417592).

Almost surely, 220220021030 is an apocalyptic number.

20220021030 is an abundant number, since it is smaller than the sum of its proper divisors (32734704858).

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

20220021030 is a wasteful number, since it uses less digits than its factorization.

20220021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17421.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20220021030 its reverse (3012002202), we get a palindrome (23232023232).

The spelling of 20220021030 in words is "twenty billion, two hundred twenty million, twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 4903 9806 12497 14709 24515 24994 29418 37491 49030 53933 62485 73545 74982 107866 124970 137467 147090 161799 187455 269665 274934 323598 374910 412401 539330 687335 808995 824802 1374670 1617990 2062005 4124010 61272791 122545582 183818373 306363955 367636746 612727910 674000701 919091865 1348001402 1838183730 2022002103 3370003505 4044004206 6740007010 10110010515 20220021030