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20312022021302 = 2113315737486203
BaseRepresentation
bin1001001111001010000101…
…10110110111010010110110
32122220210212201221111022002
410213211002312313102312
510130243010114140202
6111111114124535302
74164331561316114
oct447450266672266
978823781844262
1020312022021302
116521309996930
1223407330b1532
13b445529b75cb
1450316dcb0ab4
15253567bb5302
hex127942db74b6

20312022021302 has 32 divisors (see below), whose sum is σ = 33344150373504. Its totient is φ = 9203220417600.

The previous prime is 20312022021211. The next prime is 20312022021307.

It is a happy number.

20312022021302 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312022021307) 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, 41533733 + ... + 42019935.

It is an arithmetic number, because the mean of its divisors is an integer number (1042004699172).

Almost surely, 220312022021302 is an apocalyptic number.

20312022021302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20312022021302 is a deficient number, since it is larger than the sum of its proper divisors (13032128352202).

20312022021302 is a wasteful number, since it uses less digits than its factorization.

20312022021302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492284.

The product of its (nonzero) digits is 576, while the sum is 20.

It can be divided in two parts, 2031202 and 2021302, that added together give a palindrome (4052504).

The spelling of 20312022021302 in words is "twenty trillion, three hundred twelve billion, twenty-two million, twenty-one thousand, three hundred two".

Divisors: 1 2 11 22 331 662 3641 5737 7282 11474 63107 126214 486203 972406 1898947 3797894 5348233 10696466 20888417 41776834 160933193 321866386 1770265123 2789346611 3540530246 5578693222 30682812721 61365625442 923273728241 1846547456482 10156011010651 20312022021302