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20022510140 = 2254312322797
BaseRepresentation
bin10010101001011011…
…110100001000111100
31220200101212220100122
4102221123310020330
5312001230311030
613110451514112
71306114346063
oct225133641074
956611786318
1020022510140
118545204246
123a695b8938
131b71259749
14d7d2a51da
157c2c158e5
hex4a96f423c

20022510140 has 24 divisors (see below), whose sum is σ = 42144846912. Its totient is φ = 7990418240.

The previous prime is 20022510119. The next prime is 20022510149. The reversal of 20022510140 is 4101522002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022510149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152779 + ... + 1170018.

It is an arithmetic number, because the mean of its divisors is an integer number (1756035288).

Almost surely, 220022510140 is an apocalyptic number.

20022510140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022510140 is an abundant number, since it is smaller than the sum of its proper divisors (22122336772).

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

20022510140 is a wasteful number, since it uses less digits than its factorization.

20022510140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323237 (or 2323235 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The spelling of 20022510140 in words is "twenty billion, twenty-two million, five hundred ten thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 431 862 1724 2155 4310 8620 2322797 4645594 9291188 11613985 23227970 46455940 1001125507 2002251014 4004502028 5005627535 10011255070 20022510140