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2023232020 = 225101161601
BaseRepresentation
bin111100010011000…
…0001001000010100
312020000001211120021
41320212001020110
513120421411040
6532432514524
7101065121425
oct17046011024
95200054507
102023232020
11949075187
124856aba44
1326321c914
141529c564c
15bc95124a
hex78981214

2023232020 has 12 divisors (see below), whose sum is σ = 4248787284. Its totient is φ = 809292800.

The previous prime is 2023231979. The next prime is 2023232021. The reversal of 2023232020 is 202323202.

It can be written as a sum of positive squares in 2 ways, for example, as 308775184 + 1714456836 = 17572^2 + 41406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2023231985 and 2023232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023232021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50580781 + ... + 50580820.

It is an arithmetic number, because the mean of its divisors is an integer number (354065607).

Almost surely, 22023232020 is an apocalyptic number.

2023232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023232020 is an abundant number, since it is smaller than the sum of its proper divisors (2225555264).

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

2023232020 is a wasteful number, since it uses less digits than its factorization.

2023232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101161610 (or 101161608 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2023232020 is about 44980.3514881776. The cubic root of 2023232020 is about 1264.7807001098.

Adding to 2023232020 its reverse (202323202), we get a palindrome (2225555222).

The spelling of 2023232020 in words is "two billion, twenty-three million, two hundred thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 101161601 202323202 404646404 505808005 1011616010 2023232020