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20022201001 = 1159712931483
BaseRepresentation
bin10010101001011010…
…101000101010101001
31220200101022012022001
4102221122220222221
5312001140413001
613110441131001
71306111620565
oct225132505251
956611265261
1020022201001
118545012a60
123a69489a61
131b7117bb1a
14d7d2246a5
157c2ba4001
hex4a96a8aa9

20022201001 has 32 divisors (see below), whose sum is σ = 22617584640. Its totient is φ = 17569406400.

The previous prime is 20022200977. The next prime is 20022201013. The reversal of 20022201001 is 10010222002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20022201001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022201701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13500406 + ... + 13501888.

It is an arithmetic number, because the mean of its divisors is an integer number (706799520).

Almost surely, 220022201001 is an apocalyptic number.

It is an amenable number.

20022201001 is a deficient number, since it is larger than the sum of its proper divisors (2595383639).

20022201001 is a wasteful number, since it uses less digits than its factorization.

20022201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20022201001 its reverse (10010222002), we get a palindrome (30032423003).

The spelling of 20022201001 in words is "twenty billion, twenty-two million, two hundred one thousand, one".

Divisors: 1 11 59 71 293 649 781 1483 3223 4189 16313 17287 20803 46079 87497 105293 190157 228833 434519 962467 1158223 1227377 4779709 6212287 13501147 25636621 30850849 68335157 282002831 339359339 1820200091 20022201001