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23202112020 = 2235386701867
BaseRepresentation
bin10101100110111101…
…000010001000010100
32012212222212102011020
4111212331002020110
5340004220041040
614354153441140
71450653461313
oct254675021024
965788772136
1023202112020
119926a9519a
1245b64101b0
132259c05889
1411a16a027a
1590be34cd0
hex566f42214

23202112020 has 24 divisors (see below), whose sum is σ = 64965913824. Its totient is φ = 6187229856.

The previous prime is 23202112009. The next prime is 23202112049. The reversal of 23202112020 is 2021120232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 193350874 + ... + 193350993.

It is an arithmetic number, because the mean of its divisors is an integer number (2706913076).

Almost surely, 223202112020 is an apocalyptic number.

23202112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23202112020 is an abundant number, since it is smaller than the sum of its proper divisors (41763801804).

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

23202112020 is a wasteful number, since it uses less digits than its factorization.

23202112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386701879 (or 386701877 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23202112020 its reverse (2021120232), we get a palindrome (25223232252).

The spelling of 23202112020 in words is "twenty-three billion, two hundred two million, one hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 386701867 773403734 1160105601 1546807468 1933509335 2320211202 3867018670 4640422404 5800528005 7734037340 11601056010 23202112020