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20101202 = 2111922531
BaseRepresentation
bin100110010101…
…1100001010010
31101211020122222
41030223201102
520121214302
61554501042
7332600042
oct114534122
941736588
1020101202
111038a370
126894782
13421a504
142953722
151b70da2
hex132b852

20101202 has 24 divisors (see below), whose sum is σ = 34728912. Its totient is φ = 8652600.

The previous prime is 20101201. The next prime is 20101219. The reversal of 20101202 is 20210102.

It is a self number, because there is not a number n which added to its sum of digits gives 20101202.

It is not an unprimeable number, because it can be changed into a prime (20101201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6677 + ... + 9207.

It is an arithmetic number, because the mean of its divisors is an integer number (1447038).

Almost surely, 220101202 is an apocalyptic number.

20101202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20101202 is a deficient number, since it is larger than the sum of its proper divisors (14627710).

20101202 is a wasteful number, since it uses less digits than its factorization.

20101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582 (or 2563 counting only the distinct ones).

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

The square root of 20101202 is about 4483.4364052588. The cubic root of 20101202 is about 271.8988324024.

Adding to 20101202 its reverse (20210102), we get a palindrome (40311304).

Subtracting 20101202 from its reverse (20210102), we obtain a square (108900 = 3302).

The spelling of 20101202 in words is "twenty million, one hundred one thousand, two hundred two".