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20021031130003 = 733796899104891
BaseRepresentation
bin1001000110101100000100…
…11100101101001110010011
32121212222210002020121100121
410203112002130231032103
510111011032432130003
6110325311300131111
74134320546462461
oct443260234551623
977788702217317
1020021031130003
116419965142312
1222b4262996a97
13b22c8a4a7c67
144d3047475831
1524abd63d1cbd
hex12358272d393

20021031130003 has 16 divisors (see below), whose sum is σ = 20351984976000. Its totient is φ = 19691625683520.

The previous prime is 20021031129991. The next prime is 20021031130033. The reversal of 20021031130003 is 30003113012002.

It is a cyclic number.

It is not a de Polignac number, because 20021031130003 - 237 = 19883592176531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021031130033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190822188 + ... + 190927078.

It is an arithmetic number, because the mean of its divisors is an integer number (1271999061000).

Almost surely, 220021031130003 is an apocalyptic number.

20021031130003 is a deficient number, since it is larger than the sum of its proper divisors (330953845997).

20021031130003 is a wasteful number, since it uses less digits than its factorization.

20021031130003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112242.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20021031130003 its reverse (30003113012002), we get a palindrome (50024144142005).

The spelling of 20021031130003 in words is "twenty trillion, twenty-one billion, thirty-one million, one hundred thirty thousand, three".

Divisors: 1 73 379 6899 27667 104891 503627 2614721 7657043 39753689 190874633 723643009 2902019297 52825939657 274260700411 20021031130003