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20220205824 = 2833713173161
BaseRepresentation
bin10010110101001101…
…111101101100000000
31221012011212212212000
4102311031331230000
5312402333041244
613142233104000
71314034625250
oct226515755400
957164785760
1020220205824
118636862a05
123b03858000
131ba31b7c40
14d9b647960
157d5267169
hex4b537db00

20220205824 has 1152 divisors, whose sum is σ = 81754767360. Its totient is φ = 4777574400.

The previous prime is 20220205823. The next prime is 20220205843. The reversal of 20220205824 is 42850202202.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220205823) 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 127 ways as a sum of consecutive naturals, for example, 331478754 + ... + 331478814.

It is an arithmetic number, because the mean of its divisors is an integer number (70967680).

Almost surely, 220220205824 is an apocalyptic number.

20220205824 is a gapful number since it is divisible by the number (24) 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 20220205824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40877383680).

20220205824 is an abundant number, since it is smaller than the sum of its proper divisors (61534561536).

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

20220205824 is a wasteful number, since it uses less digits than its factorization.

20220205824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The spelling of 20220205824 in words is "twenty billion, two hundred twenty million, two hundred five thousand, eight hundred twenty-four".