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20122088 = 237359323
BaseRepresentation
bin100110011000…
…0100111101000
31101212022022112
41030300213220
520122401323
61555141452
7333014660
oct114604750
941768275
1020122088
11103a4028
1268a4888
134226b7c
14295b1a0
151b77178
hex13309e8

20122088 has 16 divisors (see below), whose sum is σ = 43118880. Its totient is φ = 8623728.

The previous prime is 20122087. The next prime is 20122093. The reversal of 20122088 is 88022102.

It is not an unprimeable number, because it can be changed into a prime (20122087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179606 + ... + 179717.

It is an arithmetic number, because the mean of its divisors is an integer number (2694930).

Almost surely, 220122088 is an apocalyptic number.

20122088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20122088 is an abundant number, since it is smaller than the sum of its proper divisors (22996792).

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

20122088 is a wasteful number, since it uses less digits than its factorization.

20122088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359336 (or 359332 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 20122088 is about 4485.7650406592. The cubic root of 20122088 is about 271.9929712717.

The spelling of 20122088 in words is "twenty million, one hundred twenty-two thousand, eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 359323 718646 1437292 2515261 2874584 5030522 10061044 20122088