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20203131031202 = 277927116738047
BaseRepresentation
bin1001001011111111010000…
…11100101100111010100010
32122112101210221100001111202
410211333220130230322202
510122002003020444302
6110545105033041202
74153425264215510
oct445775034547242
978471727301452
1020203131031202
11648a110855329
122323603856202
13b371bb1a43a2
144dbba00d34b0
152507e3133202
hex125fe872cea2

20203131031202 has 32 divisors (see below), whose sum is σ = 35085285457920. Its totient is φ = 8545728980880.

The previous prime is 20203131031183. The next prime is 20203131031217. The reversal of 20203131031202 is 20213013130202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370658 + ... + 6367389.

It is an arithmetic number, because the mean of its divisors is an integer number (1096415170560).

Almost surely, 220203131031202 is an apocalyptic number.

20203131031202 is a deficient number, since it is larger than the sum of its proper divisors (14882154426718).

20203131031202 is a wasteful number, since it uses less digits than its factorization.

20203131031202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740846.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20203131031202 its reverse (20213013130202), we get a palindrome (40416144161404).

The spelling of 20203131031202 in words is "twenty trillion, two hundred three billion, one hundred thirty-one million, thirty-one thousand, two hundred two".

Divisors: 1 2 7 14 79 158 553 1106 2711 5422 18977 37954 214169 428338 1499183 2998366 6738047 13476094 47166329 94332658 532305713 1064611426 3726139991 7452279982 18266845417 36533690834 127867917919 255735835838 1443080787943 2886161575886 10101565515601 20203131031202