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20200012001244 = 22321012875539817
BaseRepresentation
bin1001001011111001011101…
…00010100010111111011100
32122112002202120022220202200
410211330232202202333130
510121424111033014434
6110543431333251500
74153255062001635
oct445745642427734
978462676286680
1020200012001244
116488860185a19
122322a93193b90
13b36b11c4562a
144db985b8488c
152506ae3cb199
hex125f2e8a2fdc

20200012001244 has 36 divisors (see below), whose sum is σ = 51061654788144. Its totient is φ = 6733269640512.

The previous prime is 20200012001243. The next prime is 20200012001251. The reversal of 20200012001244 is 44210021000202.

20200012001244 is a `hidden beast` number, since 20 + 200 + 0 + 1 + 200 + 1 + 244 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200012001243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 876424 + ... + 6416240.

Almost surely, 220200012001244 is an apocalyptic number.

It is an amenable number.

20200012001244 is an abundant number, since it is smaller than the sum of its proper divisors (30861642786900).

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

20200012001244 is a wasteful number, since it uses less digits than its factorization.

20200012001244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641114 (or 5641109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20200012001244 its reverse (44210021000202), we get a palindrome (64410033001446).

The spelling of 20200012001244 in words is "twenty trillion, two hundred billion, twelve million, one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 101287 202574 303861 405148 607722 911583 1215444 1823166 3646332 5539817 11079634 16619451 22159268 33238902 49858353 66477804 99716706 199433412 561111444479 1122222888958 1683334333437 2244445777916 3366668666874 5050003000311 6733337333748 10100006000622 20200012001244