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20623053000 = 23353112292729
BaseRepresentation
bin10011001101001110…
…101101000011001000
31222020020220122021210
4103031032231003020
5314214000144000
613250223333120
71330026025644
oct231516550310
958206818253
1020623053000
1188231a2a60
123bb67511a0
131c387b5454
14dd8d4dc24
1580a7de350
hex4cd3ad0c8

20623053000 has 256 divisors, whose sum is σ = 70525728000. Its totient is φ = 4975872000.

The previous prime is 20623052959. The next prime is 20623053001. The reversal of 20623053000 is 35032602.

It is not an unprimeable number, because it can be changed into a prime (20623053001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7555636 + ... + 7558364.

It is an arithmetic number, because the mean of its divisors is an integer number (275491125).

Almost surely, 220623053000 is an apocalyptic number.

20623053000 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 20623053000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35262864000).

20623053000 is an abundant number, since it is smaller than the sum of its proper divisors (49902675000).

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

20623053000 is a wasteful number, since it uses less digits than its factorization.

20623053000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 20623053000 its reverse (35032602), we get a palindrome (20658085602).

The spelling of 20623053000 in words is "twenty billion, six hundred twenty-three million, fifty-three thousand".