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22202202110020 = 2251673096635089
BaseRepresentation
bin1010000110001010110100…
…10111101011100001000100
32220121111202122020211011121
411003011122113223201010
510402230102220010040
6115115314552043324
74451025160061542
oct503053227534104
986544678224147
1022202202110020
11708a9a030a959
1225a6b28693544
13c5087415714a
1456a841458d92
152877e47bec4a
hex14315a5eb844

22202202110020 has 24 divisors (see below), whose sum is σ = 46624910131800. Its totient is φ = 8880826424832.

The previous prime is 22202202110017. The next prime is 22202202110029. The reversal of 22202202110020 is 2001120220222.

It can be written as a sum of positive squares in 4 ways, for example, as 1567223564544 + 20634978545476 = 1251888^2 + 4542574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22202202109976 and 22202202110003.

It is not an unprimeable number, because it can be changed into a prime (22202202110029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28636 + ... + 6663724.

It is an arithmetic number, because the mean of its divisors is an integer number (1942704588825).

Almost surely, 222202202110020 is an apocalyptic number.

22202202110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202202110020 is an abundant number, since it is smaller than the sum of its proper divisors (24422708021780).

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

22202202110020 is a wasteful number, since it uses less digits than its factorization.

22202202110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802407 (or 6802405 counting only the distinct ones).

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

Adding to 22202202110020 its reverse (2001120220222), we get a palindrome (24203322330242).

The spelling of 22202202110020 in words is "twenty-two trillion, two hundred two billion, two hundred two million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 167309 334618 669236 836545 1673090 3346180 6635089 13270178 26540356 33175445 66350890 132701780 1110110105501 2220220211002 4440440422004 5550550527505 11101101055010 22202202110020