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20348880236 = 2225120267809
BaseRepresentation
bin10010111100111000…
…110100010101101100
31221112011000012221222
4102330320310111230
5313133303131421
613203111042512
71320156425306
oct227470642554
957464005858
1020348880236
1186a24599a3
123b3a970438
131bc3a5b249
14db0780976
157e16d2cab
hex4bce3456c

20348880236 has 12 divisors (see below), whose sum is σ = 35752416840. Its totient is φ = 10133904000.

The previous prime is 20348880217. The next prime is 20348880247. The reversal of 20348880236 is 63208884302.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 10132901 + ... + 10134908.

It is an arithmetic number, because the mean of its divisors is an integer number (2979368070).

Almost surely, 220348880236 is an apocalyptic number.

It is an amenable number.

20348880236 is a deficient number, since it is larger than the sum of its proper divisors (15403536604).

20348880236 is a wasteful number, since it uses less digits than its factorization.

20348880236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20268064 (or 20268062 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 20348880236 in words is "twenty billion, three hundred forty-eight million, eight hundred eighty thousand, two hundred thirty-six".

Divisors: 1 2 4 251 502 1004 20267809 40535618 81071236 5087220059 10174440118 20348880236