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20225252012000 = 255371938017391
BaseRepresentation
bin1001001100101000011101…
…11101100010111111100000
32122121111220120212022102212
410212110032331202333200
510122332304003341000
6111003204050301252
74155140412362060
oct446241675427740
978544816768385
1020225252012000
116498532542642
122327957b87828
13b39305104839
144dcc9bd673a0
1525118a1acc35
hex12650ef62fe0

20225252012000 has 192 divisors, whose sum is σ = 59781588572160. Its totient is φ = 6569404992000.

The previous prime is 20225252011999. The next prime is 20225252012003. The reversal of 20225252012000 is 21025252202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225252012003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18476696 + ... + 19540695.

It is an arithmetic number, because the mean of its divisors is an integer number (311362440480).

Almost surely, 220225252012000 is an apocalyptic number.

20225252012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20225252012000 is an abundant number, since it is smaller than the sum of its proper divisors (39556336560160).

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

20225252012000 is a wasteful number, since it uses less digits than its factorization.

20225252012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38017442 (or 38017424 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 20225252012000 its reverse (21025252202), we get a palindrome (20246277264202).

The spelling of 20225252012000 in words is "twenty trillion, two hundred twenty-five billion, two hundred fifty-two million, twelve thousand".