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BaseRepresentation
bin11000000101001…
…00111001011100
3112002002202200000
430002210321130
5403203031022
632013334300
75001663102
oct1402447134
9462082600
10202002012
11a4030113
1257797390
1332b08624
141cb83c72
1512b026ac
hexc0a4e5c

202002012 has 36 divisors (see below), whose sum is σ = 529530456. Its totient is φ = 67333680.

The previous prime is 202002001. The next prime is 202002013. The reversal of 202002012 is 210200202.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 202001985 and 202002003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202002013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102939 + ... + 104882.

Almost surely, 2202002012 is an apocalyptic number.

It is an amenable number.

202002012 is an abundant number, since it is smaller than the sum of its proper divisors (327528444).

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

202002012 is a wasteful number, since it uses less digits than its factorization.

202002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207840 (or 207826 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 202002012 is about 14212.7411852886. The cubic root of 202002012 is about 586.7483789134.

Adding to 202002012 its reverse (210200202), we get a palindrome (412202214).

The spelling of 202002012 in words is "two hundred two million, two thousand, twelve".