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20233204430 = 253835282821
BaseRepresentation
bin10010110101111111…
…100011001011001110
31221020002100021120212
4102311333203023032
5312414200020210
613143415442422
71314253254125
oct226577431316
957202307525
1020233204430
118643130a5a
123b08086412
131ba5ab961a
14d9d26cabc
157d6483805
hex4b5fe32ce

20233204430 has 16 divisors (see below), whose sum is σ = 36514865664. Its totient is φ = 8072148960.

The previous prime is 20233204429. The next prime is 20233204451. The reversal of 20233204430 is 3440233202.

It is a junction number, because it is equal to n+sod(n) for n = 20233204396 and 20233204405.

It is a congruent number.

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, 2637581 + ... + 2645240.

It is an arithmetic number, because the mean of its divisors is an integer number (2282179104).

Almost surely, 220233204430 is an apocalyptic number.

20233204430 is a deficient number, since it is larger than the sum of its proper divisors (16281661234).

20233204430 is a wasteful number, since it uses less digits than its factorization.

20233204430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283211.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 20233204430 its reverse (3440233202), we get a palindrome (23673437632).

The spelling of 20233204430 in words is "twenty billion, two hundred thirty-three million, two hundred four thousand, four hundred thirty".

Divisors: 1 2 5 10 383 766 1915 3830 5282821 10565642 26414105 52828210 2023320443 4046640886 10116602215 20233204430