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20232021036 = 22361136720219
BaseRepresentation
bin10010110101111011…
…000010010000101100
31221020000010011021110
4102311323002100230
5312413344133121
613143334232020
71314240225033
oct226573022054
957200104243
1020232021036
1186424a2947
123b077b5610
131ba5793aa6
14d9d04171a
157d62ecd76
hex4b5ec242c

20232021036 has 48 divisors (see below), whose sum is σ = 48019426560. Its totient is φ = 6628269120.

The previous prime is 20232020993. The next prime is 20232021037. The reversal of 20232021036 is 63012023202.

It is a super-2 number, since 2×202320210362 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20232021037) 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, 990535 + ... + 1010753.

It is an arithmetic number, because the mean of its divisors is an integer number (1000404720).

Almost surely, 220232021036 is an apocalyptic number.

It is an amenable number.

20232021036 is an abundant number, since it is smaller than the sum of its proper divisors (27787405524).

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

20232021036 is a wasteful number, since it uses less digits than its factorization.

20232021036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21654 (or 21652 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20232021036 its reverse (63012023202), we get a palindrome (83244044238).

The spelling of 20232021036 in words is "twenty billion, two hundred thirty-two million, twenty-one thousand, thirty-six".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 1367 2734 4101 5468 8202 16404 20219 40438 60657 80876 83387 121314 166774 242628 250161 333548 500322 1000644 1233359 2466718 3700077 4933436 7400154 14800308 27639373 55278746 82918119 110557492 165836238 331672476 1686001753 3372003506 5058005259 6744007012 10116010518 20232021036