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20021122130 = 2519105374327
BaseRepresentation
bin10010101001010110…
…100001010001010010
31220200022021101100212
4102221112201101102
5312000401402010
613110402044122
71306066505312
oct225126412122
956608241325
1020021122130
118544446429
123a69049642
131b70b91a39
14d7d023442
157c2a3e505
hex4a95a1452

20021122130 has 16 divisors (see below), whose sum is σ = 37934758080. Its totient is φ = 7586951472.

The previous prime is 20021122097. The next prime is 20021122157. The reversal of 20021122130 is 3122112002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52686974 + ... + 52687353.

It is an arithmetic number, because the mean of its divisors is an integer number (2370922380).

Almost surely, 220021122130 is an apocalyptic number.

20021122130 is a deficient number, since it is larger than the sum of its proper divisors (17913635950).

20021122130 is a wasteful number, since it uses less digits than its factorization.

20021122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105374353.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20021122130 its reverse (3122112002), we get a palindrome (23143234132).

The spelling of 20021122130 in words is "twenty billion, twenty-one million, one hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 105374327 210748654 526871635 1053743270 2002112213 4004224426 10010561065 20021122130