Search a number
-
+
2020100222021 = 7319309217613
BaseRepresentation
bin11101011001010111010…
…110110010110001000101
321011010020020221220222112
4131121113112302301011
5231044131124101041
64144004330310405
7265642652400320
oct35312726626105
97133206856875
102020100222021
117097a0a03122
12287613588405
1311865792c87b
146dab81c37b7
1537832943deb
hex1d6575b2c45

2020100222021 has 8 divisors (see below), whose sum is σ = 2383159709184. Its totient is φ = 1675659170160.

The previous prime is 2020100221981. The next prime is 2020100222081. The reversal of 2020100222021 is 1202220010202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020100222021 - 218 = 2020099959877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020100221987 and 2020100222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020100222081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654608590 + ... + 4654609023.

It is an arithmetic number, because the mean of its divisors is an integer number (297894963648).

Almost surely, 22020100222021 is an apocalyptic number.

It is an amenable number.

2020100222021 is a deficient number, since it is larger than the sum of its proper divisors (363059487163).

2020100222021 is an equidigital number, since it uses as much as digits as its factorization.

2020100222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9309217651.

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

Adding to 2020100222021 its reverse (1202220010202), we get a palindrome (3222320232223).

The spelling of 2020100222021 in words is "two trillion, twenty billion, one hundred million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 7 31 217 9309217613 65164523291 288585746003 2020100222021