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20200224442 = 257193176597
BaseRepresentation
bin10010110100000001…
…101111011010111010
31221010210021201112211
4102310001233122322
5312332224140232
613140240525334
71313403034426
oct226401573272
957123251484
1020200224442
118626555672
123ab902084a
131b9c010138
14d98b25b86
157d361ba47
hex4b406f6ba

20200224442 has 8 divisors (see below), whose sum is σ = 30301038036. Its totient is φ = 10099878432.

The previous prime is 20200224439. The next prime is 20200224487. The reversal of 20200224442 is 24442200202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18700289001 + 1499935441 = 136749^2 + 38729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×202002244422 (a number of 21 digits) contains 22 as substring.

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, 26088 + ... + 202684.

Almost surely, 220200224442 is an apocalyptic number.

20200224442 is a deficient number, since it is larger than the sum of its proper divisors (10100813594).

20200224442 is a wasteful number, since it uses less digits than its factorization.

20200224442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233792.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20200224442 its reverse (24442200202), we get a palindrome (44642424644).

The spelling of 20200224442 in words is "twenty billion, two hundred million, two hundred twenty-four thousand, four hundred forty-two".

Divisors: 1 2 57193 114386 176597 353194 10100112221 20200224442