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20024213838 = 233337368973
BaseRepresentation
bin10010101001100010…
…010100000101001110
31220200112002110101120
4102221202110011032
5312002144320323
613110552221410
71306135003116
oct225142240516
956615073346
1020024213838
118546168262
123a6a09a866
131b71705055
14d7d5ca046
157c2e505e3
hex4a989414e

20024213838 has 8 divisors (see below), whose sum is σ = 40048427688. Its totient is φ = 6674737944.

The previous prime is 20024213837. The next prime is 20024213849. The reversal of 20024213838 is 83831242002.

It is a sphenic number, since it is the product of 3 distinct primes.

20024213838 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20024213799 and 20024213808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024213837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668684481 + ... + 1668684492.

It is an arithmetic number, because the mean of its divisors is an integer number (5006053461).

Almost surely, 220024213838 is an apocalyptic number.

20024213838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20024213838 is a wasteful number, since it uses less digits than its factorization.

20024213838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337368978.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 20024213838 in words is "twenty billion, twenty-four million, two hundred thirteen thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 3337368973 6674737946 10012106919 20024213838