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20233040044 = 2272924917537
BaseRepresentation
bin10010110101111110…
…111011000010101100
31221020002000221002111
4102311332323002230
5312414124240134
613143412133404
71314252000640
oct226576730254
957202027074
1020233040044
1186430294a8
123b08007264
131ba5a5c859
14d9d228c20
157d644ec64
hex4b5fbb0ac

20233040044 has 24 divisors (see below), whose sum is σ = 41861463840. Its totient is φ = 8372292096.

The previous prime is 20233040027. The next prime is 20233040071. The reversal of 20233040044 is 44004033202.

It is a junction number, because it is equal to n+sod(n) for n = 20233039997 and 20233040024.

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, 12457957 + ... + 12459580.

It is an arithmetic number, because the mean of its divisors is an integer number (1744227660).

Almost surely, 220233040044 is an apocalyptic number.

It is an amenable number.

20233040044 is an abundant number, since it is smaller than the sum of its proper divisors (21628423796).

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

20233040044 is a wasteful number, since it uses less digits than its factorization.

20233040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24917577 (or 24917575 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20233040044 its reverse (44004033202), we get a palindrome (64237073246).

The spelling of 20233040044 in words is "twenty billion, two hundred thirty-three million, forty thousand, forty-four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 24917537 49835074 99670148 174422759 348845518 697691036 722608573 1445217146 2890434292 5058260011 10116520022 20233040044