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20237666592 = 25311131725101
BaseRepresentation
bin10010110110010000…
…100100100100100000
31221020101201222112010
4102312100210210200
5312421320312332
613144055232520
71314336220263
oct226620444440
957211658463
1020237666592
1186456a94a0
123b09678740
131ba69bc660
14d9dab0cda
157d6a659cc
hex4b6424920

20237666592 has 288 divisors, whose sum is σ = 66311469504. Its totient is φ = 5326848000.

The previous prime is 20237666591. The next prime is 20237666621. The reversal of 20237666592 is 29566673202.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (20237666591) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3964842 + ... + 3969942.

It is an arithmetic number, because the mean of its divisors is an integer number (230248158).

Almost surely, 220237666592 is an apocalyptic number.

20237666592 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 20237666592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33155734752).

20237666592 is an abundant number, since it is smaller than the sum of its proper divisors (46073802912).

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

20237666592 is a wasteful number, since it uses less digits than its factorization.

20237666592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172 (or 5147 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 20237666592 in words is "twenty billion, two hundred thirty-seven million, six hundred sixty-six thousand, five hundred ninety-two".