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20004214544 = 242115925419
BaseRepresentation
bin10010101000010110…
…000001011100010000
31220122010110101111222
4102220112001130100
5311432034331134
613104555424212
71305503006126
oct225026013420
956563411458
1020004214544
118535948516
123a63455068
131b6a522052
14d7aaa1916
157c12eea2e
hex4a8581710

20004214544 has 20 divisors (see below), whose sum is σ = 38941860240. Its totient is φ = 9954702240.

The previous prime is 20004214499. The next prime is 20004214553. The reversal of 20004214544 is 44541240002.

It is a super-2 number, since 2×200042145442 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2959334 + ... + 2966085.

It is an arithmetic number, because the mean of its divisors is an integer number (1947093012).

Almost surely, 220004214544 is an apocalyptic number.

It is an amenable number.

20004214544 is a deficient number, since it is larger than the sum of its proper divisors (18937645696).

20004214544 is a wasteful number, since it uses less digits than its factorization.

20004214544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5925638 (or 5925632 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 20004214544 its reverse (44541240002), we get a palindrome (64545454546).

The spelling of 20004214544 in words is "twenty billion, four million, two hundred fourteen thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 211 422 844 1688 3376 5925419 11850838 23701676 47403352 94806704 1250263409 2500526818 5001053636 10002107272 20004214544