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20022235120 = 2451571594127
BaseRepresentation
bin10010101001011010…
…110000111111110000
31220200101100221002201
4102221122300333300
5312001143010440
613110441552544
71306112122216
oct225132607760
956611327081
1020022235120
118545036658
123a694a5754
131b71191504
14d7d232cb6
157c2bae19a
hex4a96b0ff0

20022235120 has 40 divisors (see below), whose sum is σ = 46848233664. Its totient is φ = 7957876992.

The previous prime is 20022235087. The next prime is 20022235147. The reversal of 20022235120 is 2153222002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×200222351202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784504 + ... + 809623.

Almost surely, 220022235120 is an apocalyptic number.

20022235120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022235120 is an abundant number, since it is smaller than the sum of its proper divisors (26825998544).

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

20022235120 is a wasteful number, since it uses less digits than its factorization.

20022235120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594297 (or 1594291 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 20022235120 its reverse (2153222002), we get a palindrome (22175457122).

The spelling of 20022235120 in words is "twenty billion, twenty-two million, two hundred thirty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 157 314 628 785 1256 1570 2512 3140 6280 12560 1594127 3188254 6376508 7970635 12753016 15941270 25506032 31882540 63765080 127530160 250277939 500555878 1001111756 1251389695 2002223512 2502779390 4004447024 5005558780 10011117560 20022235120