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20230033031220 = 22351392425663433
BaseRepresentation
bin1001001100110001010111…
…11011101100000000110100
32122121222020210012020211210
410212120223323230000310
510122422101423444340
6111005314320201420
74155400035356445
oct446305373540064
978558223166753
1020230033031220
11649a5662830a1
122328871169270
13b398b77918ac
144dd1d2d052cc
15251369cab180
hex12662beec034

20230033031220 has 48 divisors (see below), whose sum is σ = 57051603967680. Its totient is φ = 5355864857856.

The previous prime is 20230033031209. The next prime is 20230033031239. The reversal of 20230033031220 is 2213033003202.

It is a super-2 number, since 2×202300330312202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1212823377 + ... + 1212840056.

It is an arithmetic number, because the mean of its divisors is an integer number (1188575082660).

Almost surely, 220230033031220 is an apocalyptic number.

20230033031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20230033031220 is an abundant number, since it is smaller than the sum of its proper divisors (36821570936460).

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

20230033031220 is a wasteful number, since it uses less digits than its factorization.

20230033031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425663584 (or 2425663582 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20230033031220 its reverse (2213033003202), we get a palindrome (22443066034422).

The spelling of 20230033031220 in words is "twenty trillion, two hundred thirty billion, thirty-three million, thirty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 139 278 417 556 695 834 1390 1668 2085 2780 4170 8340 2425663433 4851326866 7276990299 9702653732 12128317165 14553980598 24256634330 29107961196 36384951495 48513268660 72769902990 145539805980 337167217187 674334434374 1011501651561 1348668868748 1685836085935 2023003303122 3371672171870 4046006606244 5057508257805 6743344343740 10115016515610 20230033031220