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20201244422 = 213187765953
BaseRepresentation
bin10010110100000101…
…101000011100000110
31221010212012112200212
4102310011220130012
5312333004310142
613140314435422
71313414513222
oct226405503406
957125175625
1020201244422
118627091a27
123ab9432b72
131b9c2a9488
14d98d0d782
157d376dd82
hex4b4168706

20201244422 has 8 divisors (see below), whose sum is σ = 30304204056. Its totient is φ = 10099843072.

The previous prime is 20201244373. The next prime is 20201244487. The reversal of 20201244422 is 22444210202.

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

It is a super-2 number, since 2×202012444222 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356603 + ... + 409350.

It is an arithmetic number, because the mean of its divisors is an integer number (3788025507).

Almost surely, 220201244422 is an apocalyptic number.

20201244422 is a deficient number, since it is larger than the sum of its proper divisors (10102959634).

20201244422 is a wasteful number, since it uses less digits than its factorization.

20201244422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779142.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20201244422 its reverse (22444210202), we get a palindrome (42645454624).

The spelling of 20201244422 in words is "twenty billion, two hundred one million, two hundred forty-four thousand, four hundred twenty-two".

Divisors: 1 2 13187 26374 765953 1531906 10100622211 20201244422