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20020010346 = 2327197806543
BaseRepresentation
bin10010101001010010…
…010001110101101010
31220200020011220021200
4102221102101311222
5312000110312341
613110322145030
71306054165050
oct225122216552
956606156250
1020020010346
1185438570a6
123a687b2176
131b7089298b
14d7cc141d0
157c28bedb6
hex4a9491d6a

20020010346 has 48 divisors (see below), whose sum is σ = 49825062144. Its totient is φ = 5690960352.

The previous prime is 20020010327. The next prime is 20020010347. The reversal of 20020010346 is 64301002002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20020010347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378450 + ... + 428093.

It is an arithmetic number, because the mean of its divisors is an integer number (1038022128).

Almost surely, 220020010346 is an apocalyptic number.

20020010346 is an abundant number, since it is smaller than the sum of its proper divisors (29805051798).

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

20020010346 is a wasteful number, since it uses less digits than its factorization.

20020010346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806755 (or 806752 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20020010346 its reverse (64301002002), we get a palindrome (84321012348).

The spelling of 20020010346 in words is "twenty billion, twenty million, ten thousand, three hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 197 394 591 1182 1379 1773 2758 3546 4137 8274 12411 24822 806543 1613086 2419629 4839258 5645801 7258887 11291602 14517774 16937403 33874806 50812209 101624418 158888971 317777942 476666913 953333826 1112222797 1430000739 2224445594 2860001478 3336668391 6673336782 10010005173 20020010346