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20202111430 = 259720826919
BaseRepresentation
bin10010110100001000…
…111100000111000110
31221010220211121000021
4102310020330013012
5312333220031210
613140345205354
71313425054024
oct226410740706
957126747007
1020202111430
118627624366
123ab979085a
131b9c520cb7
14d99097714
157d3890bda
hex4b423c1c6

20202111430 has 16 divisors (see below), whose sum is σ = 36738686880. Its totient is φ = 7997536512.

The previous prime is 20202111337. The next prime is 20202111463. The reversal of 20202111430 is 3411120202.

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, 10412490 + ... + 10414429.

It is an arithmetic number, because the mean of its divisors is an integer number (2296167930).

Almost surely, 220202111430 is an apocalyptic number.

20202111430 is a deficient number, since it is larger than the sum of its proper divisors (16536575450).

20202111430 is a wasteful number, since it uses less digits than its factorization.

20202111430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20827023.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20202111430 its reverse (3411120202), we get a palindrome (23613231632).

The spelling of 20202111430 in words is "twenty billion, two hundred two million, one hundred eleven thousand, four hundred thirty".

Divisors: 1 2 5 10 97 194 485 970 20826919 41653838 104134595 208269190 2020211143 4040422286 10101055715 20202111430