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2030023020 = 223533833717
BaseRepresentation
bin111100011111111…
…1011000101101100
312020110211212001210
41320333323011230
513124141214040
6533234234420
7101206624314
oct17077730554
95213755053
102030023020
11951993383
12487a25a10
1326475996c
14153872444
15bd343480
hex78ffb16c

2030023020 has 24 divisors (see below), whose sum is σ = 5684064624. Its totient is φ = 541339456.

The previous prime is 2030022977. The next prime is 2030023049. The reversal of 2030023020 is 203200302.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2030022987 and 2030023005.

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, 16916799 + ... + 16916918.

It is an arithmetic number, because the mean of its divisors is an integer number (236836026).

Almost surely, 22030023020 is an apocalyptic number.

2030023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030023020 is an abundant number, since it is smaller than the sum of its proper divisors (3654041604).

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

2030023020 is a wasteful number, since it uses less digits than its factorization.

2030023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33833729 (or 33833727 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 2030023020 is about 45055.7767661373. The cubic root of 2030023020 is about 1266.1942031417.

Adding to 2030023020 its reverse (203200302), we get a palindrome (2233223322).

The spelling of 2030023020 in words is "two billion, thirty million, twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 33833717 67667434 101501151 135334868 169168585 203002302 338337170 406004604 507505755 676674340 1015011510 2030023020