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2020532280 = 23351317611249
BaseRepresentation
bin111100001101110…
…1110000000111000
312012210222200012220
41320123232000320
513114224013110
6532255004040
7101033145444
oct17033560070
95183880186
102020532280
119475a0898
12484809620
132627b5b40
141524c1824
15bc5bb370
hex786ee038

2020532280 has 256 divisors, whose sum is σ = 7030800000. Its totient is φ = 460062720.

The previous prime is 2020532251. The next prime is 2020532299. The reversal of 2020532280 is 822350202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2020532280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1617096 + ... + 1618344.

Almost surely, 22020532280 is an apocalyptic number.

2020532280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020532280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3515400000).

2020532280 is an abundant number, since it is smaller than the sum of its proper divisors (5010267720).

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

2020532280 is a wasteful number, since it uses less digits than its factorization.

2020532280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2020532280 is about 44950.3312557316. The cubic root of 2020532280 is about 1264.2178879177.

Adding to 2020532280 its reverse (822350202), we get a palindrome (2842882482).

The spelling of 2020532280 in words is "two billion, twenty million, five hundred thirty-two thousand, two hundred eighty".