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20336604488 = 2312723972
BaseRepresentation
bin10010111100001001…
…111111010101001000
31221111021220112210122
4102330021333111020
5313122132320423
613201552002412
71316650200044
oct227411772510
957437815718
1020336604488
118696534a52
123b36830408
131bc13508a5
14dacca7024
157e05aa8c8
hex4bc27f548

20336604488 has 36 divisors (see below), whose sum is σ = 38530796985. Its totient is φ = 10062825696.

The previous prime is 20336604443. The next prime is 20336604503. The reversal of 20336604488 is 88440663302.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 19729573444 + 607031044 = 140462^2 + 24638^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=100838.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51225506 + ... + 51225902.

Almost surely, 220336604488 is an apocalyptic number.

It is an amenable number.

20336604488 is a deficient number, since it is larger than the sum of its proper divisors (18194192497).

20336604488 is an frugal number, since it uses more digits than its factorization.

20336604488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 20336604488 in words is "twenty billion, three hundred thirty-six million, six hundred four thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 127 254 397 508 794 1016 1588 3176 16129 32258 50419 64516 100838 129032 157609 201676 315218 403352 630436 1260872 6403213 12806426 20016343 25612852 40032686 51225704 80065372 160130744 2542075561 5084151122 10168302244 20336604488