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20276219600 = 245272131731151
BaseRepresentation
bin10010111000100011…
…101000111011010000
31221100002021200022022
4102320203220323100
5313011203011400
613151553431012
71315315010600
oct227043507320
957302250268
1020276219600
11866544098a
123b1a56b468
131bb199a6a0
14da4c68c00
157da12db85
hex4b88e8ed0

20276219600 has 720 divisors, whose sum is σ = 67141702656. Its totient is φ = 5806080000.

The previous prime is 20276219599. The next prime is 20276219627. The reversal of 20276219600 is 691267202.

It is a super-2 number, since 2×202762196002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 134279525 + ... + 134279675.

Almost surely, 220276219600 is an apocalyptic number.

20276219600 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 20276219600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33570851328).

20276219600 is an abundant number, since it is smaller than the sum of its proper divisors (46865483056).

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

20276219600 is a wasteful number, since it uses less digits than its factorization.

20276219600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 20276219600 in words is "twenty billion, two hundred seventy-six million, two hundred nineteen thousand, six hundred".