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20122022012 = 2229173465707
BaseRepresentation
bin10010101111010111…
…011011000001111100
31220221100010121222112
4102233113123001330
5312202214201022
613124404433152
71311433236131
oct225727330174
956840117875
1020122022012
1185963a1a64
123a969a87b8
131b88a5c001
14d8c5aa588
157cb8208e2
hex4af5db07c

20122022012 has 12 divisors (see below), whose sum is σ = 36427798680. Its totient is φ = 9714079536.

The previous prime is 20122022003. The next prime is 20122022027. The reversal of 20122022012 is 21022022102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86732738 + ... + 86732969.

It is an arithmetic number, because the mean of its divisors is an integer number (3035649890).

Almost surely, 220122022012 is an apocalyptic number.

It is an amenable number.

20122022012 is a deficient number, since it is larger than the sum of its proper divisors (16305776668).

20122022012 is a wasteful number, since it uses less digits than its factorization.

20122022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173465740 (or 173465738 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20122022012 its reverse (21022022102), we get a palindrome (41144044114).

The spelling of 20122022012 in words is "twenty billion, one hundred twenty-two million, twenty-two thousand, twelve".

Divisors: 1 2 4 29 58 116 173465707 346931414 693862828 5030505503 10061011006 20122022012