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2000221202021 = 71759225172167
BaseRepresentation
bin11101000110110110011…
…110010110011001100101
321002012220212002002002112
4131012312132112121211
5230232423111431041
64130520002050405
7264340226455640
oct35066636263145
97065825062075
102000221202021
1170131a7a5179
122837a6049a05
1311680a332c43
146cb4ddd0a57
153706c623deb
hex1d1b6796665

2000221202021 has 16 divisors (see below), whose sum is σ = 2288314490880. Its totient is φ = 1712715678000.

The previous prime is 2000221202003. The next prime is 2000221202039. The reversal of 2000221202021 is 1202021220002.

It is an interprime number because it is at equal distance from previous prime (2000221202003) and next prime (2000221202039).

It is a cyclic number.

It is not a de Polignac number, because 2000221202021 - 210 = 2000221200997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2000221201987 and 2000221202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000221202521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27680480 + ... + 27752646.

It is an arithmetic number, because the mean of its divisors is an integer number (143019655680).

Almost surely, 22000221202021 is an apocalyptic number.

It is an amenable number.

2000221202021 is a deficient number, since it is larger than the sum of its proper divisors (288093288859).

2000221202021 is a wasteful number, since it uses less digits than its factorization.

2000221202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76184.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2000221202021 its reverse (1202021220002), we get a palindrome (3202242422023).

The spelling of 2000221202021 in words is "two trillion, two hundred twenty-one million, two hundred two thousand, twenty-one".

Divisors: 1 7 1759 2251 12313 15757 72167 505169 3959509 27716563 126941753 162447917 888592271 1137135419 285745886003 2000221202021