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20292399160 = 2351146119089
BaseRepresentation
bin10010111001100001…
…010111000000111000
31221101012201200111021
4102321201113000320
5313024323233120
613153332312224
71315602355405
oct227141270070
957335650437
1020292399160
118673591920
123b23a72674
131bb5143ba7
14da707b2ac
157db777aaa
hex4b9857038

20292399160 has 32 divisors (see below), whose sum is σ = 49808617200. Its totient is φ = 7379054080.

The previous prime is 20292399157. The next prime is 20292399167. The reversal of 20292399160 is 6199329202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20292399167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23059105 + ... + 23059984.

Almost surely, 220292399160 is an apocalyptic number.

20292399160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20292399160 is an abundant number, since it is smaller than the sum of its proper divisors (29516218040).

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

20292399160 is a wasteful number, since it uses less digits than its factorization.

20292399160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46119111 (or 46119107 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The spelling of 20292399160 in words is "twenty billion, two hundred ninety-two million, three hundred ninety-nine thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 46119089 92238178 184476356 230595445 368952712 461190890 507309979 922381780 1014619958 1844763560 2029239916 2536549895 4058479832 5073099790 10146199580 20292399160