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20541033000 = 233653191483
BaseRepresentation
bin10011001000010101…
…110100101000101000
31222000112120121000000
4103020111310220220
5314032001024000
613234133343000
71325011620405
oct231025645050
958015517000
1020541033000
118790972134
123b93197a60
131c247c87c7
14dcc0bd2ac
158034dc000
hex4c8574a28

20541033000 has 448 divisors, whose sum is σ = 75910161600. Its totient is φ = 5185814400.

The previous prime is 20541032987. The next prime is 20541033001. The reversal of 20541033000 is 33014502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541033001) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 13850259 + ... + 13851741.

It is an arithmetic number, because the mean of its divisors is an integer number (169442325).

Almost surely, 220541033000 is an apocalyptic number.

20541033000 is a gapful number since it is divisible by the number (20) 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 20541033000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37955080800).

20541033000 is an abundant number, since it is smaller than the sum of its proper divisors (55369128600).

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

20541033000 is a wasteful number, since it uses less digits than its factorization.

20541033000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 20541033000 its reverse (33014502), we get a palindrome (20574047502).

The spelling of 20541033000 in words is "twenty billion, five hundred forty-one million, thirty-three thousand".