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20010233232 = 243211731311321
BaseRepresentation
bin10010101000101100…
…111110110110010000
31220122112210011121100
4102220230332312100
5311440104430412
613105332424400
71305605114253
oct225054766620
956575704540
1020010233232
118539289440
123a65478100
131b6b84b6c2
14d7b7cb09a
157c1adcedc
hex4a8b3ed90

20010233232 has 240 divisors, whose sum is σ = 62448699456. Its totient is φ = 5930496000.

The previous prime is 20010233213. The next prime is 20010233233. The reversal of 20010233232 is 23233201002.

It is a happy number.

20010233232 is a `hidden beast` number, since 200 + 1 + 0 + 233 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20010233233) 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 47 ways as a sum of consecutive naturals, for example, 15147132 + ... + 15148452.

Almost surely, 220010233232 is an apocalyptic number.

20010233232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010233232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31224349728).

20010233232 is an abundant number, since it is smaller than the sum of its proper divisors (42438466224).

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

20010233232 is a wasteful number, since it uses less digits than its factorization.

20010233232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20010233232 its reverse (23233201002), we get a palindrome (43243434234).

The spelling of 20010233232 in words is "twenty billion, ten million, two hundred thirty-three thousand, two hundred thirty-two".