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2031223310020 = 225339140917321
BaseRepresentation
bin11101100011101110010…
…110000000011011000100
321012011221110000100012201
4131203232112000123010
5231234421131410040
64153044152524244
7266515415155312
oct35435626003304
97164843010181
102031223310020
11713489671833
122897b86b0684
1311970b1c2848
14704515750b2
1537c841e8a9a
hex1d8ee5806c4

2031223310020 has 48 divisors (see below), whose sum is σ = 4268452801536. Its totient is φ = 811940256000.

The previous prime is 2031223309993. The next prime is 2031223310027. The reversal of 2031223310020 is 200133221302.

It is a self number, because there is not a number n which added to its sum of digits gives 2031223310020.

It is not an unprimeable number, because it can be changed into a prime (2031223310027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277447960 + ... + 277455280.

It is an arithmetic number, because the mean of its divisors is an integer number (88926100032).

Almost surely, 22031223310020 is an apocalyptic number.

2031223310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031223310020 is an abundant number, since it is smaller than the sum of its proper divisors (2237229491516).

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

2031223310020 is a wasteful number, since it uses less digits than its factorization.

2031223310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14812 (or 14810 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2031223310020 its reverse (200133221302), we get a palindrome (2231356531322).

The spelling of 2031223310020 in words is "two trillion, thirty-one billion, two hundred twenty-three million, three hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 3391 4091 6782 7321 8182 13564 14642 16364 16955 20455 29284 33910 36605 40910 67820 73210 81820 146420 13872581 24825511 27745162 29950211 49651022 55490324 59900422 69362905 99302044 119800844 124127555 138725810 149751055 248255110 277451620 299502110 496510220 599004220 101561165501 203122331002 406244662004 507805827505 1015611655010 2031223310020