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2055502020 = 22351121329751
BaseRepresentation
bin111101010000100…
…0111100011000100
312022020210022200110
41322201013203010
513202202031040
6535544313020
7101636323155
oct17241074304
95266708613
102055502020
11965306100
12494472770
13269b0abb0
14156dc592c
15c06c7980
hex7a8478c4

2055502020 has 288 divisors, whose sum is σ = 7057128960. Its totient is φ = 443520000.

The previous prime is 2055501997. The next prime is 2055502037. The reversal of 2055502020 is 202055502.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2736645 + ... + 2737395.

It is an arithmetic number, because the mean of its divisors is an integer number (24503920).

Almost surely, 22055502020 is an apocalyptic number.

2055502020 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 2055502020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3528564480).

2055502020 is an abundant number, since it is smaller than the sum of its proper divisors (5001626940).

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

2055502020 is a wasteful number, since it uses less digits than its factorization.

2055502020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 2055502020 is about 45337.6446234252. The cubic root of 2055502020 is about 1271.4695659286.

Adding to 2055502020 its reverse (202055502), we get a palindrome (2257557522).

The spelling of 2055502020 in words is "two billion, fifty-five million, five hundred two thousand, twenty".