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202024402220 = 22510101220111
BaseRepresentation
bin1011110000100110010…
…1111011110100101100
3201022110102112222021102
42330021211323310230
511302221221332340
6232450404022232
720411232041204
oct2741145736454
9638412488242
10202024402220
1178750565593
12331a1691978
131608785b604
149ac6ccd404
1553c6057215
hex2f0997bd2c

202024402220 has 12 divisors (see below), whose sum is σ = 424251244704. Its totient is φ = 80809760880.

The previous prime is 202024402219. The next prime is 202024402241. The reversal of 202024402220 is 22204420202.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 10101220111 = 202024402220 / (2 + 0 + 2 + 0 + 2 + 4 + 4 + 0 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 202024402192 and 202024402201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050610036 + ... + 5050610075.

It is an arithmetic number, because the mean of its divisors is an integer number (35354270392).

Almost surely, 2202024402220 is an apocalyptic number.

202024402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202024402220 is an abundant number, since it is smaller than the sum of its proper divisors (222226842484).

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

202024402220 is a wasteful number, since it uses less digits than its factorization.

202024402220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101220120 (or 10101220118 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 202024402220 its reverse (22204420202), we get a palindrome (224228822422).

The spelling of 202024402220 in words is "two hundred two billion, twenty-four million, four hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10101220111 20202440222 40404880444 50506100555 101012201110 202024402220