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10020331207 = 191035120251
BaseRepresentation
bin10010101010100001…
…00001111011000111
3221212100000120022001
421111100201323013
5131010201044312
64334150250131
7503212260415
oct112520417307
927770016261
1010020331207
114282241167
121b37956947
13c38c88583
146b0b362b5
153d9a77057
hex255421ec7

10020331207 has 8 divisors (see below), whose sum is σ = 10650124160. Its totient is φ = 9400779000.

The previous prime is 10020331187. The next prime is 10020331229. The reversal of 10020331207 is 70213302001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10020331207 - 215 = 10020298439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020331247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2558169 + ... + 2562082.

It is an arithmetic number, because the mean of its divisors is an integer number (1331265520).

Almost surely, 210020331207 is an apocalyptic number.

10020331207 is a deficient number, since it is larger than the sum of its proper divisors (629792953).

10020331207 is a wasteful number, since it uses less digits than its factorization.

10020331207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120373.

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 10020331207 its reverse (70213302001), we get a palindrome (80233633208).

The spelling of 10020331207 in words is "ten billion, twenty million, three hundred thirty-one thousand, two hundred seven".

Divisors: 1 19 103 1957 5120251 97284769 527385853 10020331207