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23020322120 = 2351373419161
BaseRepresentation
bin10101011100000111…
…100011110101001000
32012102022210112021222
4111130013203311020
5334121200301440
614324141221212
71443315336515
oct253407436510
965368715258
1023020322120
11984340a804
124565561808
13222b3560a3
14118549c30c
158eaec62b5
hex55c1e3d48

23020322120 has 32 divisors (see below), whose sum is σ = 51833572920. Its totient is φ = 9201400320.

The previous prime is 23020322113. The next prime is 23020322219. The reversal of 23020322120 is 2122302032.

It can be written as a sum of positive squares in 4 ways, for example, as 22273174564 + 747147556 = 149242^2 + 27334^2 .

It is a super-2 number, since 2×230203221202 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 154661 + ... + 264500.

Almost surely, 223020322120 is an apocalyptic number.

23020322120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23020322120 is an abundant number, since it is smaller than the sum of its proper divisors (28813250800).

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

23020322120 is a wasteful number, since it uses less digits than its factorization.

23020322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420545 (or 420541 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23020322120 its reverse (2122302032), we get a palindrome (25142624152).

The spelling of 23020322120 in words is "twenty-three billion, twenty million, three hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1373 2746 5492 6865 10984 13730 27460 54920 419161 838322 1676644 2095805 3353288 4191610 8383220 16766440 575508053 1151016106 2302032212 2877540265 4604064424 5755080530 11510161060 23020322120