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2030331020 = 225443229157
BaseRepresentation
bin111100100000100…
…0110010010001100
312020111102111120012
41321001012102030
513124231043040
6533245012352
7101212346264
oct17101062214
95214374505
102030331020
11952083823
12487b540b8
13264836c03
141539127a4
15bd3a4865
hex7904648c

2030331020 has 24 divisors (see below), whose sum is σ = 4273338384. Its totient is φ = 810295616.

The previous prime is 2030331001. The next prime is 2030331041. The reversal of 2030331020 is 201330302.

It is a junction number, because it is equal to n+sod(n) for n = 2030330986 and 2030331004.

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, 105719 + ... + 123438.

It is an arithmetic number, because the mean of its divisors is an integer number (178055766).

Almost surely, 22030331020 is an apocalyptic number.

2030331020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030331020 is an abundant number, since it is smaller than the sum of its proper divisors (2243007364).

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

2030331020 is a wasteful number, since it uses less digits than its factorization.

2030331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229609 (or 229607 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 2030331020 is about 45059.1946221856. The cubic root of 2030331020 is about 1266.2582365852.

Adding to 2030331020 its reverse (201330302), we get a palindrome (2231661322).

The spelling of 2030331020 in words is "two billion, thirty million, three hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 443 886 1772 2215 4430 8860 229157 458314 916628 1145785 2291570 4583140 101516551 203033102 406066204 507582755 1015165510 2030331020