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10212022220 = 2251074771973
BaseRepresentation
bin10011000001010111…
…10001011111001100
3222100200201110221012
421200223301133030
5131403234202340
64405155024352
7511030520351
oct114053613714
928320643835
1010212022220
114370469494
121b8bb9b0b8
13c698c38ca
146cc394628
153eb7de565
hex260af17cc

10212022220 has 24 divisors (see below), whose sum is σ = 21645674064. Its totient is φ = 4046632256.

The previous prime is 10212022217. The next prime is 10212022253. The reversal of 10212022220 is 2222021201.

10212022220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10212022195 and 10212022204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383847 + ... + 2388126.

It is an arithmetic number, because the mean of its divisors is an integer number (901903086).

Almost surely, 210212022220 is an apocalyptic number.

10212022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212022220 is an abundant number, since it is smaller than the sum of its proper divisors (11433651844).

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

10212022220 is a wasteful number, since it uses less digits than its factorization.

10212022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772089 (or 4772087 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10212022220 its reverse (2222021201), we get a palindrome (12434043421).

The spelling of 10212022220 in words is "ten billion, two hundred twelve million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 4771973 9543946 19087892 23859865 47719730 95439460 510601111 1021202222 2042404444 2553005555 5106011110 10212022220