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10120222020 = 2235745922613
BaseRepresentation
bin10010110110011011…
…00101010101000100
3222010021222112201210
421123031211111010
5131211234101040
64352115251420
7505534316316
oct113315452504
928107875653
1010120222020
114323668657
121b652a9b70
13c5389146c
146c00d97b6
153e3709480
hex25b365544

10120222020 has 48 divisors (see below), whose sum is σ = 28341673920. Its totient is φ = 2698244736.

The previous prime is 10120222001. The next prime is 10120222027. The reversal of 10120222020 is 2022202101.

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 = 10120221987 and 10120222005.

It is not an unprimeable number, because it can be changed into a prime (10120222027) 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, 436234 + ... + 458846.

It is an arithmetic number, because the mean of its divisors is an integer number (590451540).

Almost surely, 210120222020 is an apocalyptic number.

10120222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120222020 is an abundant number, since it is smaller than the sum of its proper divisors (18221451900).

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

10120222020 is a wasteful number, since it uses less digits than its factorization.

10120222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30084 (or 30082 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10120222020 its reverse (2022202101), we get a palindrome (12142424121).

The spelling of 10120222020 in words is "ten billion, one hundred twenty million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7459 14918 22377 22613 29836 37295 44754 45226 67839 74590 89508 90452 111885 113065 135678 149180 223770 226130 271356 339195 447540 452260 678390 1356780 168670367 337340734 506011101 674681468 843351835 1012022202 1686703670 2024044404 2530055505 3373407340 5060111010 10120222020