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20370019224 = 2332929267269
BaseRepresentation
bin10010111110001001…
…011101001110011000
31221120121210012012110
4102332021131032120
5313204211103344
613205144112320
71320534210102
oct227611351630
957517705173
1020370019224
118703387a35
123b45a656a0
131bc824cc19
14db34c4572
157e34ab3b9
hex4be25d398

20370019224 has 32 divisors (see below), whose sum is σ = 52681086000. Its totient is φ = 6555868032.

The previous prime is 20370019223. The next prime is 20370019289. The reversal of 20370019224 is 42291007302.

It is a super-2 number, since 2×203700192242 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20370019191 and 20370019200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20370019223) 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, 14632939 + ... + 14634330.

Almost surely, 220370019224 is an apocalyptic number.

20370019224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20370019224 is an abundant number, since it is smaller than the sum of its proper divisors (32311066776).

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

20370019224 is a wasteful number, since it uses less digits than its factorization.

20370019224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29267307 (or 29267303 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 20370019224 in words is "twenty billion, three hundred seventy million, nineteen thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 696 29267269 58534538 87801807 117069076 175603614 234138152 351207228 702414456 848750801 1697501602 2546252403 3395003204 5092504806 6790006408 10185009612 20370019224