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10020220101 = 34594434733
BaseRepresentation
bin10010101010100000…
…00110110011000101
3221212022210220220000
421111100012303011
5131010134020401
64334144031513
7503211315453
oct112520066305
927768726800
1010020220101
114282175741
121b37902599
13c38c49b28
146b0b079d3
153d9a54186
hex255406cc5

10020220101 has 40 divisors (see below), whose sum is σ = 15259764960. Its totient is φ = 6550715808.

The previous prime is 10020220081. The next prime is 10020220129. The reversal of 10020220101 is 10102202001.

It is not a de Polignac number, because 10020220101 - 27 = 10020219973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020220501) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2114731 + ... + 2119463.

It is an arithmetic number, because the mean of its divisors is an integer number (381494124).

Almost surely, 210020220101 is an apocalyptic number.

It is an amenable number.

10020220101 is a deficient number, since it is larger than the sum of its proper divisors (5239544859).

10020220101 is an equidigital number, since it uses as much as digits as its factorization.

10020220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5247 (or 5238 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10020220101 its reverse (10102202001), we get a palindrome (20122422102).

The spelling of 10020220101 in words is "ten billion, twenty million, two hundred twenty thousand, one hundred one".

Divisors: 1 3 9 27 59 81 177 443 531 1329 1593 3987 4733 4779 11961 14199 26137 35883 42597 78411 127791 235233 279247 383373 705699 837741 2096719 2117097 2513223 6290157 7539669 18870471 22619007 56611413 123706421 169834239 371119263 1113357789 3340073367 10020220101