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2020023030 = 235113595877
BaseRepresentation
bin111100001100111…
…0001101011110110
312012210000210122210
41320121301223312
513114111214110
6532240034250
7101025624654
oct17031615366
95183023583
102020023030
11947283223
12484602986
132626680cc
141523cbdd4
15bc51a520
hex78671af6

2020023030 has 32 divisors (see below), whose sum is σ = 4890966624. Its totient is φ = 533904896.

The previous prime is 2020023007. The next prime is 2020023037. The reversal of 2020023030 is 303200202.

It is a junction number, because it is equal to n+sod(n) for n = 2020022997 and 2020023015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020023037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294549 + ... + 301328.

It is an arithmetic number, because the mean of its divisors is an integer number (152842707).

Almost surely, 22020023030 is an apocalyptic number.

2020023030 is an abundant number, since it is smaller than the sum of its proper divisors (2870943594).

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

2020023030 is a wasteful number, since it uses less digits than its factorization.

2020023030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596000.

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

The square root of 2020023030 is about 44944.6663131455. Note that the first 3 decimals coincide. The cubic root of 2020023030 is about 1264.1116688683. Note that the first 3 decimals are identical.

Adding to 2020023030 its reverse (303200202), we get a palindrome (2323223232).

The spelling of 2020023030 in words is "two billion, twenty million, twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 113 226 339 565 678 1130 1695 3390 595877 1191754 1787631 2979385 3575262 5958770 8938155 17876310 67334101 134668202 202002303 336670505 404004606 673341010 1010011515 2020023030