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20202102002201 = 72886014571743
BaseRepresentation
bin1001001011111101010110…
…00111010001001000011001
32122112022011020000222002112
410211332223013101020121
510121442401103032301
6110544414553242105
74153360630502120
oct445765307211031
978468136028075
1020202102002201
116489732a04639
122323377103335
13b37085c421a2
144dbb0358aab7
15250782b1a9bb
hex125fab1d1219

20202102002201 has 4 divisors (see below), whose sum is σ = 23088116573952. Its totient is φ = 17316087430452.

The previous prime is 20202102002161. The next prime is 20202102002207. The reversal of 20202102002201 is 10220020120202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20202102002201 - 230 = 20201028260377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202102002207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443007285865 + ... + 1443007285878.

It is an arithmetic number, because the mean of its divisors is an integer number (5772029143488).

Almost surely, 220202102002201 is an apocalyptic number.

It is an amenable number.

20202102002201 is a deficient number, since it is larger than the sum of its proper divisors (2886014571751).

20202102002201 is an equidigital number, since it uses as much as digits as its factorization.

20202102002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886014571750.

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

Adding to 20202102002201 its reverse (10220020120202), we get a palindrome (30422122122403).

The spelling of 20202102002201 in words is "twenty trillion, two hundred two billion, one hundred two million, two thousand, two hundred one".

Divisors: 1 7 2886014571743 20202102002201