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3133220020 = 2257171316479
BaseRepresentation
bin1011101011000001…
…0010010010110100
322002100201001211221
42322300102102310
522404101020040
61234523440124
7140433634150
oct27260222264
98070631757
103133220020
111368691637
12735386044
133ac189858
1421a1a4060
1513510b74a
hexbac124b4

3133220020 has 48 divisors (see below), whose sum is σ = 7962071040. Its totient is φ = 1011055104.

The previous prime is 3133219997. The next prime is 3133220021. The reversal of 3133220020 is 200223313.

It is a junction number, because it is equal to n+sod(n) for n = 3133219976 and 3133220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133220021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655860 + ... + 660619.

It is an arithmetic number, because the mean of its divisors is an integer number (165876480).

Almost surely, 23133220020 is an apocalyptic number.

It is an amenable number.

3133220020 is an abundant number, since it is smaller than the sum of its proper divisors (4828851020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3133220020 is a wasteful number, since it uses less digits than its factorization.

3133220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316512 (or 1316510 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3133220020 is about 55975.1732467172. The cubic root of 3133220020 is about 1463.2896392754.

Adding to 3133220020 its reverse (200223313), we get a palindrome (3333443333).

The spelling of 3133220020 in words is "three billion, one hundred thirty-three million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 1316479 2632958 5265916 6582395 9215353 13164790 18430706 22380143 26329580 36861412 44760286 46076765 89520572 92153530 111900715 156661001 184307060 223801430 313322002 447602860 626644004 783305005 1566610010 3133220020