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2020101102 = 232157714827
BaseRepresentation
bin111100001101000…
…0100101111101110
312012210011202202100
41320122010233232
513114121213402
6532241435530
7101026401405
oct17032045756
95183152670
102020101102
11947326948
1248463bba6
132626947c6
1415240c63c
15bc53371c
hex78684bee

2020101102 has 24 divisors (see below), whose sum is σ = 4404770136. Its totient is φ = 669077136.

The previous prime is 2020101067. The next prime is 2020101107. The reversal of 2020101102 is 2011010202.

It is a super-2 number, since 2×20201011022 = 8161616924603228808, which contains 22 as substring.

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 (2020101107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354588 + ... + 360239.

It is an arithmetic number, because the mean of its divisors is an integer number (183532089).

Almost surely, 22020101102 is an apocalyptic number.

2020101102 is an abundant number, since it is smaller than the sum of its proper divisors (2384669034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020101102 is a wasteful number, since it uses less digits than its factorization.

2020101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714992 (or 714989 counting only the distinct ones).

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

The square root of 2020101102 is about 44945.5348394031. The cubic root of 2020101102 is about 1264.1279542362.

Adding to 2020101102 its reverse (2011010202), we get a palindrome (4031111304).

The spelling of 2020101102 in words is "two billion, twenty million, one hundred one thousand, one hundred two".

Divisors: 1 2 3 6 9 18 157 314 471 942 1413 2826 714827 1429654 2144481 4288962 6433443 12866886 112227839 224455678 336683517 673367034 1010050551 2020101102