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20122010022 = 23101187117747
BaseRepresentation
bin10010101111010111…
…011000000110100110
31220221100010000112110
4102233113120012212
5312202213310042
613124404301450
71311433156152
oct225727300646
956840100473
1020122010022
118596393a54
123a969a1886
131b88a5670a
14d8c5a6062
157cb81c09c
hex4af5d81a6

20122010022 has 32 divisors (see below), whose sum is σ = 40666489344. Its totient is φ = 6637004000.

The previous prime is 20122010011. The next prime is 20122010057. The reversal of 20122010022 is 22001022102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124953 + ... + 1142699.

It is an arithmetic number, because the mean of its divisors is an integer number (1270827792).

Almost surely, 220122010022 is an apocalyptic number.

20122010022 is an abundant number, since it is smaller than the sum of its proper divisors (20544479322).

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

20122010022 is a wasteful number, since it uses less digits than its factorization.

20122010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19724.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20122010022 its reverse (22001022102), we get a palindrome (42123032124).

The spelling of 20122010022 in words is "twenty billion, one hundred twenty-two million, ten thousand, twenty-two".

Divisors: 1 2 3 6 101 202 303 606 1871 3742 5613 11226 17747 35494 53241 106482 188971 377942 566913 1133826 1792447 3584894 5377341 10754682 33204637 66409274 99613911 199227822 3353668337 6707336674 10061005011 20122010022