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20035369849 = 112760721767
BaseRepresentation
bin10010101010001100…
…110111101101111001
31220201022002020120011
4102222030313231321
5312013023313344
613112031301521
71306331555665
oct225214675571
956638066504
1020035369849
118551497a00
123a7197a8a1
131b73b0cb41
14d80c918a5
157c3e05d34
hex4aa337b79

20035369849 has 12 divisors (see below), whose sum is σ = 22026255552. Its totient is φ = 18210741560.

The previous prime is 20035369847. The next prime is 20035369853. The reversal of 20035369849 is 94896353002.

It is not a de Polignac number, because 20035369849 - 21 = 20035369847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20035369841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 909564 + ... + 931330.

It is an arithmetic number, because the mean of its divisors is an integer number (1835521296).

Almost surely, 220035369849 is an apocalyptic number.

It is an amenable number.

20035369849 is a deficient number, since it is larger than the sum of its proper divisors (1990885703).

20035369849 is a wasteful number, since it uses less digits than its factorization.

20035369849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29396 (or 29385 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 20035369849 in words is "twenty billion, thirty-five million, three hundred sixty-nine thousand, eight hundred forty-nine".

Divisors: 1 11 121 7607 21767 83677 239437 920447 2633807 165581569 1821397259 20035369849