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20002050442 = 2112787105023
BaseRepresentation
bin10010101000001101…
…110001000110001010
31220121222101102221001
4102220031301012022
5311431011103232
613104441205214
71305445423603
oct225015610612
956558342831
1020002050442
1185346aa600
123a6279080a
131b69c4500a
14d7a69adaa
157c10236e7
hex4a837118a

20002050442 has 24 divisors (see below), whose sum is σ = 33020805888. Its totient is φ = 9080202120.

The previous prime is 20002050413. The next prime is 20002050469. The reversal of 20002050442 is 24405020002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137943 + ... + 242965.

It is an arithmetic number, because the mean of its divisors is an integer number (1375866912).

Almost surely, 220002050442 is an apocalyptic number.

20002050442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002050442 is a deficient number, since it is larger than the sum of its proper divisors (13018755446).

20002050442 is a wasteful number, since it uses less digits than its factorization.

20002050442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105834 (or 105823 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 20002050442 its reverse (24405020002), we get a palindrome (44407070444).

The spelling of 20002050442 in words is "twenty billion, two million, fifty thousand, four hundred forty-two".

Divisors: 1 2 11 22 121 242 787 1574 8657 17314 95227 105023 190454 210046 1155253 2310506 12707783 25415566 82653101 165306202 909184111 1818368222 10001025221 20002050442