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202022023 = 728860289
BaseRepresentation
bin11000000101010…
…01110010000111
3112002010210010011
430002221302013
5403204201043
632014011051
75002105330
oct1402516207
9462123104
10202022023
11a4044155
12577a6a87
1332b14778
141cb8b287
1512b0859d
hexc0a9c87

202022023 has 4 divisors (see below), whose sum is σ = 230882320. Its totient is φ = 173161728.

The previous prime is 202022021. The next prime is 202022053. The reversal of 202022023 is 320220202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202022023 - 21 = 202022021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202021994 and 202022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022021) 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, 14430138 + ... + 14430151.

It is an arithmetic number, because the mean of its divisors is an integer number (57720580).

Almost surely, 2202022023 is an apocalyptic number.

202022023 is a deficient number, since it is larger than the sum of its proper divisors (28860297).

202022023 is an equidigital number, since it uses as much as digits as its factorization.

202022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28860296.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 202022023 is about 14213.4451488722. The cubic root of 202022023 is about 586.7677533642.

Adding to 202022023 its reverse (320220202), we get a palindrome (522242225).

The spelling of 202022023 in words is "two hundred two million, twenty-two thousand, twenty-three".

Divisors: 1 7 28860289 202022023