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20204210524 = 2217297120743
BaseRepresentation
bin10010110100010000…
…111100100101011100
31221011001210020102111
4102310100330211130
5312334234214044
613140502203404
71313451645601
oct226420744534
957131706374
1020204210524
118628828453
123aba423564
131b9caa7574
14d994826a8
157d3b57b34
hex4b443c95c

20204210524 has 12 divisors (see below), whose sum is σ = 37437213744. Its totient is φ = 9507863744.

The previous prime is 20204210513. The next prime is 20204210531. The reversal of 20204210524 is 42501240202.

It is a super-2 number, since 2×202042105242 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20204210495 and 20204210504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148560304 + ... + 148560439.

It is an arithmetic number, because the mean of its divisors is an integer number (3119767812).

Almost surely, 220204210524 is an apocalyptic number.

It is an amenable number.

20204210524 is a deficient number, since it is larger than the sum of its proper divisors (17233003220).

20204210524 is a wasteful number, since it uses less digits than its factorization.

20204210524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297120764 (or 297120762 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 20204210524 its reverse (42501240202), we get a palindrome (62705450726).

The spelling of 20204210524 in words is "twenty billion, two hundred four million, two hundred ten thousand, five hundred twenty-four".

Divisors: 1 2 4 17 34 68 297120743 594241486 1188482972 5051052631 10102105262 20204210524