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20100122101022 = 2711276091109249
BaseRepresentation
bin1001001000111111011001…
…01000110100010100011110
32122011112221001212020000112
410210133230220310110132
510113310022224213042
6110425511342130022
74143120522602015
oct444375450642436
978145831766015
1020100122101022
11644a460a0a477
122307656280912
13b2a5831a47b2
144d6bcb5c3a7c
1524ccb4b8d982
hex1247eca3451e

20100122101022 has 16 divisors (see below), whose sum is σ = 30575100780000. Its totient is φ = 9908424314880.

The previous prime is 20100122100959. The next prime is 20100122101067. The reversal of 20100122101022 is 22010122100102.

It is a junction number, because it is equal to n+sod(n) for n = 20100122100988 and 20100122101006.

It is a congruent 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, 17565854 + ... + 18675102.

It is an arithmetic number, because the mean of its divisors is an integer number (1910943798750).

Almost surely, 220100122101022 is an apocalyptic number.

20100122101022 is a deficient number, since it is larger than the sum of its proper divisors (10474978678978).

20100122101022 is a wasteful number, since it uses less digits than its factorization.

20100122101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236931.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20100122101022 its reverse (22010122100102), we get a palindrome (42110244201124).

The spelling of 20100122101022 in words is "twenty trillion, one hundred billion, one hundred twenty-two million, one hundred one thousand, twenty-two".

Divisors: 1 2 71 142 127609 255218 1109249 2218498 9060239 18120478 78756679 157513358 141550155641 283100311282 10050061050511 20100122101022