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1020220233 = 3340073411
BaseRepresentation
bin111100110011110…
…101001101001001
32122002201120001120
4330303311031021
54042134021413
6245122505453
734165505004
oct7463651511
92562646046
101020220233
1148398461a
12245805289
13133499916
14996d253b
155e877723
hex3ccf5349

1020220233 has 4 divisors (see below), whose sum is σ = 1360293648. Its totient is φ = 680146820.

The previous prime is 1020220207. The next prime is 1020220241. The reversal of 1020220233 is 3320220201.

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 1020220233 - 26 = 1020220169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020220933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170036703 + ... + 170036708.

It is an arithmetic number, because the mean of its divisors is an integer number (340073412).

Almost surely, 21020220233 is an apocalyptic number.

It is an amenable number.

1020220233 is a deficient number, since it is larger than the sum of its proper divisors (340073415).

1020220233 is an equidigital number, since it uses as much as digits as its factorization.

1020220233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340073414.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1020220233 is about 31940.8865406081. The cubic root of 1020220233 is about 1006.6951525619.

Adding to 1020220233 its reverse (3320220201), we get a palindrome (4340440434).

The spelling of 1020220233 in words is "one billion, twenty million, two hundred twenty thousand, two hundred thirty-three".

Divisors: 1 3 340073411 1020220233