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10201220022220 = 22531115114295031
BaseRepresentation
bin1001010001110010100000…
…0110000111111111001100
31100010020010120012111011221
42110130220012013333030
52314114044311202340
633410213100253124
72102004512330353
oct224345006077714
940106116174157
1010201220022220
113283349836a47
121189093b411a4
1358cc8115c426
14273a5527299a
1512a55555a44a
hex94728187fcc

10201220022220 has 48 divisors (see below), whose sum is σ = 22132826505216. Its totient is φ = 3945428280000.

The previous prime is 10201220022209. The next prime is 10201220022223. The reversal of 10201220022220 is 2222002210201.

It is a junction number, because it is equal to n+sod(n) for n = 10201220022194 and 10201220022203.

It is not an unprimeable number, because it can be changed into a prime (10201220022223) 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, 6433896 + ... + 7861135.

It is an arithmetic number, because the mean of its divisors is an integer number (461100552192).

Almost surely, 210201220022220 is an apocalyptic number.

10201220022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201220022220 is an abundant number, since it is smaller than the sum of its proper divisors (11931606482996).

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

10201220022220 is a wasteful number, since it uses less digits than its factorization.

10201220022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14296222 (or 14296220 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10201220022220 its reverse (2222002210201), we get a palindrome (12423222232421).

The spelling of 10201220022220 in words is "ten trillion, two hundred one billion, two hundred twenty million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1151 2302 4604 5755 11510 23020 35681 71362 142724 178405 356810 713620 14295031 28590062 57180124 71475155 142950310 285900620 443145961 886291922 1772583844 2215729805 4431459610 8862919220 16453580681 32907161362 65814322724 82267903405 164535806810 329071613620 510061001111 1020122002222 2040244004444 2550305005555 5100610011110 10201220022220