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20848662252 = 2237112931241
BaseRepresentation
bin10011011010101011…
…010101011011101100
31222210222102210000000
4103122223111123230
5320144224143002
613324443104300
71335435463605
oct233253253354
958728383000
1020848662252
118929587590
12405a212090
131c73468052
14101acbadac
1582050661c
hex4daad56ec

20848662252 has 384 divisors, whose sum is σ = 64008806400. Its totient is φ = 5878656000.

The previous prime is 20848662251. The next prime is 20848662287. The reversal of 20848662252 is 25226684802.

It is a junction number, because it is equal to n+sod(n) for n = 20848662198 and 20848662207.

It is not an unprimeable number, because it can be changed into a prime (20848662251) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 86508852 + ... + 86509092.

It is an arithmetic number, because the mean of its divisors is an integer number (166689600).

Almost surely, 220848662252 is an apocalyptic number.

20848662252 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 20848662252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32004403200).

20848662252 is an abundant number, since it is smaller than the sum of its proper divisors (43160144148).

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

20848662252 is a wasteful number, since it uses less digits than its factorization.

20848662252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 20848662252 in words is "twenty billion, eight hundred forty-eight million, six hundred sixty-two thousand, two hundred fifty-two".