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20203013044 = 22171915637007
BaseRepresentation
bin10010110100001100…
…011000001110110100
31221010222112101210101
4102310030120032310
5312333432404134
613140420403444
71313435530444
oct226414301664
957128471711
1020203013044
11862808a7a5
123ab9b46584
131b9c7784b6
14d99250124
157d39bce14
hex4b43183b4

20203013044 has 24 divisors (see below), whose sum is σ = 39405260160. Its totient is φ = 9006915456.

The previous prime is 20203013029. The next prime is 20203013057. The reversal of 20203013044 is 44031030202.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 7817212 + ... + 7819795.

It is an arithmetic number, because the mean of its divisors is an integer number (1641885840).

Almost surely, 220203013044 is an apocalyptic number.

It is an amenable number.

20203013044 is a deficient number, since it is larger than the sum of its proper divisors (19202247116).

20203013044 is a wasteful number, since it uses less digits than its factorization.

20203013044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15637047 (or 15637045 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20203013044 its reverse (44031030202), we get a palindrome (64234043246).

The spelling of 20203013044 in words is "twenty billion, two hundred three million, thirteen thousand, forty-four".

Divisors: 1 2 4 17 19 34 38 68 76 323 646 1292 15637007 31274014 62548028 265829119 297103133 531658238 594206266 1063316476 1188412532 5050753261 10101506522 20203013044