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20220312434 = 2711312781487
BaseRepresentation
bin10010110101001110…
…010111101101110010
31221012012002022002112
4102311032113231302
5312402344444214
613142235245322
71314035551130
oct226516275562
957165068075
1020220312434
118636926013
123b038a9842
131ba322461a
14d9b674750
157d5288a3e
hex4b5397b72

20220312434 has 16 divisors (see below), whose sum is σ = 34970151168. Its totient is φ = 8589158592.

The previous prime is 20220312421. The next prime is 20220312461. The reversal of 20220312434 is 43421302202.

It is a super-2 number, since 2×202203124342 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6389162 + ... + 6392325.

It is an arithmetic number, because the mean of its divisors is an integer number (2185634448).

Almost surely, 220220312434 is an apocalyptic number.

20220312434 is a deficient number, since it is larger than the sum of its proper divisors (14749838734).

20220312434 is a wasteful number, since it uses less digits than its factorization.

20220312434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12781609.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20220312434 its reverse (43421302202), we get a palindrome (63641614636).

The spelling of 20220312434 in words is "twenty billion, two hundred twenty million, three hundred twelve thousand, four hundred thirty-four".

Divisors: 1 2 7 14 113 226 791 1582 12781487 25562974 89470409 178940818 1444308031 2888616062 10110156217 20220312434