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2000115020 = 225775912889
BaseRepresentation
bin111011100110111…
…0101010101001100
312011101120101000002
41313031311111030
513044012140040
6530245223432
7100364461061
oct16715652514
95141511002
102000115020
11937016022
12479a01b78
1325b4b7817
1414d8c8c68
15ba8d6a15
hex7737554c

2000115020 has 24 divisors (see below), whose sum is σ = 4201108800. Its totient is φ = 799880832.

The previous prime is 2000115001. The next prime is 2000115041. The reversal of 2000115020 is 205110002.

It is a junction number, because it is equal to n+sod(n) for n = 2000114992 and 2000115010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148736 + ... + 161624.

It is an arithmetic number, because the mean of its divisors is an integer number (175046200).

Almost surely, 22000115020 is an apocalyptic number.

2000115020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000115020 is an abundant number, since it is smaller than the sum of its proper divisors (2200993780).

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

2000115020 is a wasteful number, since it uses less digits than its factorization.

2000115020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20657 (or 20655 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2000115020 is about 44722.6454942013. The cubic root of 2000115020 is about 1259.9452021184.

Adding to 2000115020 its reverse (205110002), we get a palindrome (2205225022).

The spelling of 2000115020 in words is "two billion, one hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 20 7759 12889 15518 25778 31036 38795 51556 64445 77590 128890 155180 257780 100005751 200011502 400023004 500028755 1000057510 2000115020