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2023020021220 = 225119195545551
BaseRepresentation
bin11101011100000101011…
…000111100010111100100
321011101202202002002111121
4131130011120330113210
5231121121111134340
64145210151543324
7266105215312402
oct35340530742744
97141682062447
102023020021220
1170aa5a075510
122880a938ab44
13118a018134c3
146dcb3cb0472
1537953e4494a
hex1d70563c5e4

2023020021220 has 24 divisors (see below), whose sum is σ = 4634554958208. Its totient is φ = 735643644000.

The previous prime is 2023020021203. The next prime is 2023020021287. The reversal of 2023020021220 is 221200203202.

It is a super-2 number, since 2×20230200212202 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2023020021194 and 2023020021203.

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, 4597772556 + ... + 4597772995.

It is an arithmetic number, because the mean of its divisors is an integer number (193106456592).

Almost surely, 22023020021220 is an apocalyptic number.

2023020021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023020021220 is an abundant number, since it is smaller than the sum of its proper divisors (2611534936988).

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

2023020021220 is a wasteful number, since it uses less digits than its factorization.

2023020021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9195545571 (or 9195545569 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 2023020021220 its reverse (221200203202), we get a palindrome (2244220224422).

The spelling of 2023020021220 in words is "two trillion, twenty-three billion, twenty million, twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 9195545551 18391091102 36782182204 45977727755 91955455510 101151001061 183910911020 202302002122 404604004244 505755005305 1011510010610 2023020021220