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20320662324 = 22310715826061
BaseRepresentation
bin10010111011001101…
…001011001100110100
31221110011220121021010
4102323031023030310
5313104042143244
613200222152220
71316364531324
oct227315131464
957404817233
1020320662324
118688536406
123b31422670
131bbac5b461
14daab17284
157ddeabeb9
hex4bb34b334

20320662324 has 24 divisors (see below), whose sum is σ = 47858011488. Its totient is φ = 6710249440.

The previous prime is 20320662251. The next prime is 20320662379. The reversal of 20320662324 is 42326602302.

It is a junction number, because it is equal to n+sod(n) for n = 20320662291 and 20320662300.

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, 7911747 + ... + 7914314.

It is an arithmetic number, because the mean of its divisors is an integer number (1994083812).

Almost surely, 220320662324 is an apocalyptic number.

It is an amenable number.

20320662324 is an abundant number, since it is smaller than the sum of its proper divisors (27537349164).

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

20320662324 is a wasteful number, since it uses less digits than its factorization.

20320662324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15826175 (or 15826173 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The spelling of 20320662324 in words is "twenty billion, three hundred twenty million, six hundred sixty-two thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 107 214 321 428 642 1284 15826061 31652122 47478183 63304244 94956366 189912732 1693388527 3386777054 5080165581 6773554108 10160331162 20320662324