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10202020201 = 411012719091
BaseRepresentation
bin10011000000001011…
…00111100101101001
3222022222220022202001
421200011213211221
5131343204121301
64404200411001
7510546512062
oct114005474551
928288808661
1010202020201
11436585785a
121b88776a61
13c67801159
146cad0d569
153ea9b5c01
hex260167969

10202020201 has 16 divisors (see below), whose sum is σ = 10594434816. Its totient is φ = 9817200000.

The previous prime is 10202020183. The next prime is 10202020211.

10202020201 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 10202020201 - 223 = 10193631593 is a prime.

It is a super-2 number, since 2×102020202012 (a number of 21 digits) contains 22 as substring.

It is a deceptive number, since it divides R10202020200.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202020211) 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, 1117666 + ... + 1126756.

It is an arithmetic number, because the mean of its divisors is an integer number (662152176).

Almost surely, 210202020201 is an apocalyptic number.

It is an amenable number.

10202020201 is a deficient number, since it is larger than the sum of its proper divisors (392414615).

10202020201 is a wasteful number, since it uses less digits than its factorization.

10202020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9504.

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

It can be divided in two parts, 102020 and 20201, that added together give a palindrome (122221).

The spelling of 10202020201 in words is "ten billion, two hundred two million, twenty thousand, two hundred one".

Divisors: 1 41 101 271 4141 9091 11111 27371 372731 918191 1122211 2463661 37645831 101010101 248829761 10202020201