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20223021030 = 2351036544667
BaseRepresentation
bin10010110101011000…
…101100111111100110
31221012101011220120220
4102311120230333212
5312404043133110
613142413305210
71314100561662
oct226530547746
957171156526
1020223021030
118638406023
123b04795206
131ba3962444
14d9bb7b8a2
157d5621370
hex4b562cfe6

20223021030 has 32 divisors (see below), whose sum is σ = 49006473984. Its totient is φ = 5340447456.

The previous prime is 20223021029. The next prime is 20223021043. The reversal of 20223021030 is 3012032202.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 3269244 + ... + 3275423.

It is an arithmetic number, because the mean of its divisors is an integer number (1531452312).

Almost surely, 220223021030 is an apocalyptic number.

20223021030 is an abundant number, since it is smaller than the sum of its proper divisors (28783452954).

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

20223021030 is a wasteful number, since it uses less digits than its factorization.

20223021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544780.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20223021030 its reverse (3012032202), we get a palindrome (23235053232).

The spelling of 20223021030 in words is "twenty billion, two hundred twenty-three million, twenty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 6544667 13089334 19634001 32723335 39268002 65446670 98170005 196340010 674100701 1348201402 2022302103 3370503505 4044604206 6741007010 10111510515 20223021030