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201012022220020 = 22511913691010091
BaseRepresentation
bin101101101101000111000010…
…001011100001010011110100
3222100201120011102222112112121
4231231013002023201103310
5202321340110142020040
61551303352001525324
760224432204253634
oct5555070213412364
9870646142875477
10201012022220020
11590597a1197070
121a665587643844
13882147719bc7b
14378d0689d06c4
151838bb5eb4c4a
hexb6d1c22e14f4

201012022220020 has 24 divisors (see below), whose sum is σ = 460500269086368. Its totient is φ = 73095280807200.

The previous prime is 201012022220003. The next prime is 201012022220027. The reversal of 201012022220020 is 20022220210102.

It is a junction number, because it is equal to n+sod(n) for n = 201012022219976 and 201012022220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012022220027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456845504826 + ... + 456845505265.

It is an arithmetic number, because the mean of its divisors is an integer number (19187511211932).

Almost surely, 2201012022220020 is an apocalyptic number.

201012022220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201012022220020 is an abundant number, since it is smaller than the sum of its proper divisors (259488246866348).

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

201012022220020 is a wasteful number, since it uses less digits than its factorization.

201012022220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913691010111 (or 913691010109 counting only the distinct ones).

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

Adding to 201012022220020 its reverse (20022220210102), we get a palindrome (221034242430122).

The spelling of 201012022220020 in words is "two hundred one trillion, twelve billion, twenty-two million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 913691010091 1827382020182 3654764040364 4568455050455 9136910100910 10050601111001 18273820201820 20101202222002 40202404444004 50253005555005 100506011110010 201012022220020