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20295244248 = 2331994249423
BaseRepresentation
bin10010111001101100…
…001101100111011000
31221101102002020012220
4102321230031213120
5313031040303443
613153513304040
71315635505206
oct227154154730
957342066186
1020295244248
118675155434
123b24a05020
131bb58cbb86
14da75bc076
157dbb3aa83
hex4b9b0d9d8

20295244248 has 32 divisors (see below), whose sum is σ = 50993088000. Its totient is φ = 6731084448.

The previous prime is 20295244223. The next prime is 20295244259. The reversal of 20295244248 is 84244259202.

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, 2119936 + ... + 2129487.

It is an arithmetic number, because the mean of its divisors is an integer number (1593534000).

Almost surely, 220295244248 is an apocalyptic number.

It is an amenable number.

20295244248 is an abundant number, since it is smaller than the sum of its proper divisors (30697843752).

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

20295244248 is a wasteful number, since it uses less digits than its factorization.

20295244248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249631 (or 4249627 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 20295244248 in words is "twenty billion, two hundred ninety-five million, two hundred forty-four thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 199 398 597 796 1194 1592 2388 4776 4249423 8498846 12748269 16997692 25496538 33995384 50993076 101986152 845635177 1691270354 2536905531 3382540708 5073811062 6765081416 10147622124 20295244248