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20590384001 = 1123139585503
BaseRepresentation
bin10011001011010010…
…000101001110000001
31222010222102212211212
4103023102011032001
5314132114242001
613243055215505
71326151243025
oct231322051601
958128385755
1020590384001
11880680a290
123ba7817595
131c31ab7695
14dd4888385
158079d97bb
hex4cb485381

20590384001 has 16 divisors (see below), whose sum is σ = 23607521280. Its totient is φ = 17775840720.

The previous prime is 20590383997. The next prime is 20590384013. The reversal of 20590384001 is 10048309502.

It is not a de Polignac number, because 20590384001 - 22 = 20590383997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20590384091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257585 + ... + 327918.

It is an arithmetic number, because the mean of its divisors is an integer number (1475470080).

Almost surely, 220590384001 is an apocalyptic number.

It is an amenable number.

20590384001 is a deficient number, since it is larger than the sum of its proper divisors (3017137279).

20590384001 is a wasteful number, since it uses less digits than its factorization.

20590384001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585676.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 20590384001 in words is "twenty billion, five hundred ninety million, three hundred eighty-four thousand, one".

Divisors: 1 11 23 139 253 1529 3197 35167 585503 6440533 13466569 81384917 148132259 895234087 1871853091 20590384001