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20333213000 = 235320333213
BaseRepresentation
bin10010111011111101…
…000011010101001000
31221111001112020112222
4102323331003111020
5313120300304000
613201351153212
71316606313242
oct227375032510
957431466488
1020333213000
118694628971
123b35675808
131bc0733ca9
14dac663092
157e013aa85
hex4bbf43548

20333213000 has 32 divisors (see below), whose sum is σ = 47579720760. Its totient is φ = 8133284800.

The previous prime is 20333212987. The next prime is 20333213003. The reversal of 20333213000 is 31233302.

It can be written as a sum of positive squares in 4 ways, for example, as 13139119876 + 7194093124 = 114626^2 + 84818^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20333213000.

It is not an unprimeable number, because it can be changed into a prime (20333213003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10165607 + ... + 10167606.

Almost surely, 220333213000 is an apocalyptic number.

20333213000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20333213000 is an abundant number, since it is smaller than the sum of its proper divisors (27246507760).

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

20333213000 is a wasteful number, since it uses less digits than its factorization.

20333213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20333234 (or 20333220 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20333213000 its reverse (31233302), we get a palindrome (20364446302).

The spelling of 20333213000 in words is "twenty billion, three hundred thirty-three million, two hundred thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 20333213 40666426 81332852 101666065 162665704 203332130 406664260 508330325 813328520 1016660650 2033321300 2541651625 4066642600 5083303250 10166606500 20333213000