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20331120312222 = 238294087478953
BaseRepresentation
bin1001001111101101101010…
…01101000011111110011110
32122222122011201202012020020
410213312311031003332132
510131101113244442342
6111123553203333010
74165606054155426
oct447666515037636
978878151665206
1020331120312222
11652941a426535
122344383081166
13b462a761a975
14504062513486
15253cd46b80ec
hex127db5343f9e

20331120312222 has 16 divisors (see below), whose sum is σ = 40711290381840. Its totient is φ = 6768865144512.

The previous prime is 20331120312133. The next prime is 20331120312281. The reversal of 20331120312222 is 22221302113302.

It is a junction number, because it is equal to n+sod(n) for n = 20331120312192 and 20331120312201.

It is a congruent number.

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, 2043734503 + ... + 2043744450.

It is an arithmetic number, because the mean of its divisors is an integer number (2544455648865).

Almost surely, 220331120312222 is an apocalyptic number.

20331120312222 is an abundant number, since it is smaller than the sum of its proper divisors (20380170069618).

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

20331120312222 is a wasteful number, since it uses less digits than its factorization.

20331120312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087479787.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20331120312222 its reverse (22221302113302), we get a palindrome (42552422425524).

The spelling of 20331120312222 in words is "twenty trillion, three hundred thirty-one billion, one hundred twenty million, three hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 829 1658 2487 4974 4087478953 8174957906 12262436859 24524873718 3388520052037 6777040104074 10165560156111 20331120312222