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20225071108 = 2211259037079
BaseRepresentation
bin10010110101100000…
…100001100000000100
31221012112001001202201
4102311200201200010
5312410104233413
613142525244244
71314124160614
oct226540414004
957175031681
1020225071108
118639586300
123b05403684
131ba41cc5c8
14d9c152a44
157d58c89dd
hex4b5821804

20225071108 has 36 divisors (see below), whose sum is σ = 38916097920. Its totient is φ = 9190358320.

The previous prime is 20225071051. The next prime is 20225071109. The reversal of 20225071108 is 80117052202.

It is not an unprimeable number, because it can be changed into a prime (20225071109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2853513 + ... + 2860591.

It is an arithmetic number, because the mean of its divisors is an integer number (1081002720).

Almost surely, 220225071108 is an apocalyptic number.

It is an amenable number.

20225071108 is a deficient number, since it is larger than the sum of its proper divisors (18691026812).

20225071108 is a wasteful number, since it uses less digits than its factorization.

20225071108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13008 (or 12995 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The spelling of 20225071108 in words is "twenty billion, two hundred twenty-five million, seventy-one thousand, one hundred eight".

Divisors: 1 2 4 11 22 44 121 242 484 5903 7079 11806 14158 23612 28316 64933 77869 129866 155738 259732 311476 714263 856559 1428526 1713118 2857052 3426236 41787337 83574674 167149348 459660707 919321414 1838642828 5056267777 10112535554 20225071108