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2071222920 = 2333513295087
BaseRepresentation
bin111101101110100…
…0101101010001000
312100100101000201000
41323131011222020
513220213113140
6541305255000
7102220050534
oct17335055210
95310330630
102071222920
11973173488
12499794460
132701536c0
14159118bc4
15c1c80a30
hex7b745a88

2071222920 has 256 divisors, whose sum is σ = 7693056000. Its totient is φ = 492162048.

The previous prime is 2071222913. The next prime is 2071222939. The reversal of 2071222920 is 292221702.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 404617 + ... + 409703.

It is an arithmetic number, because the mean of its divisors is an integer number (30051000).

Almost surely, 22071222920 is an apocalyptic number.

2071222920 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 2071222920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3846528000).

2071222920 is an abundant number, since it is smaller than the sum of its proper divisors (5621833080).

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

2071222920 is a wasteful number, since it uses less digits than its factorization.

2071222920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149 (or 5139 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2071222920 is about 45510.6901727495. The cubic root of 2071222920 is about 1274.7028234732.

The spelling of 2071222920 in words is "two billion, seventy-one million, two hundred twenty-two thousand, nine hundred twenty".