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20022220103 = 101198239803
BaseRepresentation
bin10010101001011010…
…101101010101000111
31220200101100011111112
4102221122231111013
5312001142020403
613110441355235
71306112030354
oct225132552507
956611304445
1020022220103
118545026346
123a69498b1b
131b71187722
14d7d22b62b
157c2ba99d8
hex4a96ad547

20022220103 has 4 divisors (see below), whose sum is σ = 20220460008. Its totient is φ = 19823980200.

The previous prime is 20022220093. The next prime is 20022220129. The reversal of 20022220103 is 30102222002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20022220103 - 24 = 20022220087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022220193) 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, 99119801 + ... + 99120002.

It is an arithmetic number, because the mean of its divisors is an integer number (5055115002).

Almost surely, 220022220103 is an apocalyptic number.

20022220103 is a deficient number, since it is larger than the sum of its proper divisors (198239905).

20022220103 is a wasteful number, since it uses less digits than its factorization.

20022220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198239904.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20022220103 its reverse (30102222002), we get a palindrome (50124442105).

The spelling of 20022220103 in words is "twenty billion, twenty-two million, two hundred twenty thousand, one hundred three".

Divisors: 1 101 198239803 20022220103