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20674452060 = 22325232297487
BaseRepresentation
bin10011010000010010…
…110001101001011100
31222100211121222112200
4103100102301221130
5314320124431220
613255301131500
71331221641303
oct232022615134
958324558480
1020674452060
11884a209919
12400b9b9b90
131c463405b2
141001acd43a
15810093890
hex4d04b1a5c

20674452060 has 216 divisors, whose sum is σ = 67827352320. Its totient is φ = 5090959104.

The previous prime is 20674452049. The next prime is 20674452067. The reversal of 20674452060 is 6025447602.

20674452060 is a `hidden beast` number, since 2 + 0 + 6 + 7 + 445 + 206 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20674452067) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2757637 + ... + 2765123.

It is an arithmetic number, because the mean of its divisors is an integer number (314015520).

Almost surely, 220674452060 is an apocalyptic number.

20674452060 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 20674452060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33913676160).

20674452060 is an abundant number, since it is smaller than the sum of its proper divisors (47152900260).

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

20674452060 is a wasteful number, since it uses less digits than its factorization.

20674452060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7577 (or 7549 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 20674452060 its reverse (6025447602), we get a palindrome (26699899662).

The spelling of 20674452060 in words is "twenty billion, six hundred seventy-four million, four hundred fifty-two thousand, sixty".