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2200022220020 = 225110001111001
BaseRepresentation
bin100000000000111011100…
…010101111110011110100
321210022122022221102121012
4200000323202233303310
5242021121142020040
64402402023211352
7314642413215332
oct40007342576364
97708568842535
102200022220020
1177902a209239
122b6466ba6b58
1312c5cc363291
14786a58b6b52
153c363390865
hex2003b8afcf4

2200022220020 has 12 divisors (see below), whose sum is σ = 4620046662084. Its totient is φ = 880008888000.

The previous prime is 2200022219999. The next prime is 2200022220029. The reversal of 2200022220020 is 200222200022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 779720788324 + 1420301431696 = 883018^2 + 1191764^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2200022219977 and 2200022220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200022220029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55000555481 + ... + 55000555520.

It is an arithmetic number, because the mean of its divisors is an integer number (385003888507).

Almost surely, 22200022220020 is an apocalyptic number.

2200022220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200022220020 is an abundant number, since it is smaller than the sum of its proper divisors (2420024442064).

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

2200022220020 is a wasteful number, since it uses less digits than its factorization.

2200022220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110001111010 (or 110001111008 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 2200022220020 its reverse (200222200022), we get a palindrome (2400244420042).

The spelling of 2200022220020 in words is "two trillion, two hundred billion, twenty-two million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 110001111001 220002222002 440004444004 550005555005 1100011110010 2200022220020