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2000132020 = 225531886917
BaseRepresentation
bin111011100110111…
…1001011110110100
312011101121020022201
41313031321132310
513044013211040
6530245434244
7100364561455
oct16715713664
95141536281
102000132020
11937027877
12479a0b984
1325b4c2493
1414d8d112c
15ba8dba9a
hex773797b4

2000132020 has 24 divisors (see below), whose sum is σ = 4279530024. Its totient is φ = 784957056.

The previous prime is 2000131999. The next prime is 2000132027. The reversal of 2000132020 is 202310002.

It can be written as a sum of positive squares in 4 ways, for example, as 816359184 + 1183772836 = 28572^2 + 34406^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2000131988 and 2000132006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000132027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942399 + ... + 944518.

It is an arithmetic number, because the mean of its divisors is an integer number (178313751).

Almost surely, 22000132020 is an apocalyptic number.

2000132020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000132020 is an abundant number, since it is smaller than the sum of its proper divisors (2279398004).

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

2000132020 is a wasteful number, since it uses less digits than its factorization.

2000132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886979 (or 1886977 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2000132020 is about 44722.8355541104. The cubic root of 2000132020 is about 1259.9487717477.

Adding to 2000132020 its reverse (202310002), we get a palindrome (2202442022).

The spelling of 2000132020 in words is "two billion, one hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 1886917 3773834 7547668 9434585 18869170 37738340 100006601 200013202 400026404 500033005 1000066010 2000132020