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2020201144 = 2313196171657
BaseRepresentation
bin111100001101001…
…1101001010111000
312012210100211222121
41320122131022320
513114132414034
6532243531024
7101030266153
oct17032351270
95183324877
102020201144
11947395025
12484689a74
132626cb1c0
14152436c9a
15bc5531b4
hex7869d2b8

2020201144 has 64 divisors (see below), whose sum is σ = 4303504800. Its totient is φ = 881362944.

The previous prime is 2020201097. The next prime is 2020201223. The reversal of 2020201144 is 4411020202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218364 + ... + 1220020.

Almost surely, 22020201144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020201144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2151752400).

2020201144 is an abundant number, since it is smaller than the sum of its proper divisors (2283303656).

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

2020201144 is a wasteful number, since it uses less digits than its factorization.

2020201144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2020201144 is about 44946.6477504163. The cubic root of 2020201144 is about 1264.1488218058.

Adding to 2020201144 its reverse (4411020202), we get a palindrome (6431221346).

The spelling of 2020201144 in words is "two billion, twenty million, two hundred one thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 617 988 1234 1657 1976 2468 3314 4936 6628 8021 11723 13256 16042 21541 23446 31483 32084 43082 46892 62966 64168 86164 93784 125932 152399 172328 251864 304798 409279 609596 818558 1022369 1219192 1637116 2044738 3274232 4089476 8178952 13290797 19425011 26581594 38850022 53163188 77700044 106326376 155400088 252525143 505050286 1010100572 2020201144