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404204222020 = 22521195782991
BaseRepresentation
bin1011110000111000111…
…00101111011001000100
31102122022200112222101111
411320130130233121010
523110302240101040
6505404443134404
741126362125034
oct5703434573104
91378280488344
10404204222020
11146470822655
1266407214404
132c168664991
14157c66b78c4
15a7aaa5ddea
hex5e1c72f644

404204222020 has 24 divisors (see below), whose sum is σ = 852851760768. Its totient is φ = 160915423200.

The previous prime is 404204221991. The next prime is 404204222033. The reversal of 404204222020 is 20222402404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 404204221982 and 404204222000.

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, 47887276 + ... + 47895715.

It is an arithmetic number, because the mean of its divisors is an integer number (35535490032).

Almost surely, 2404204222020 is an apocalyptic number.

It is an amenable number.

404204222020 is an abundant number, since it is smaller than the sum of its proper divisors (448647538748).

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

404204222020 is a wasteful number, since it uses less digits than its factorization.

404204222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95783211 (or 95783209 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 404204222020 its reverse (20222402404), we get a palindrome (424426624424).

The spelling of 404204222020 in words is "four hundred four billion, two hundred four million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 211 422 844 1055 2110 4220 95782991 191565982 383131964 478914955 957829910 1915659820 20210211101 40420422202 80840844404 101051055505 202102111010 404204222020