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20440424020202 = 2412294327251567
BaseRepresentation
bin1001010010111001010000…
…01101100111100011101010
32200101002022021221212111222
410221130220031213203222
510134343442022121302
6111250111241222042
74206525522310124
oct451345015474352
980332267855458
1020440424020202
11657080a52a09a
1223615a8791922
13b536a67a6154
14509471046214
15256a805c1da2
hex1297283678ea

20440424020202 has 32 divisors (see below), whose sum is σ = 31553027089920. Its totient is φ = 9925063585920.

The previous prime is 20440424020183. The next prime is 20440424020207. The reversal of 20440424020202 is 20202042404402.

It is not an unprimeable number, because it can be changed into a prime (20440424020207) 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, 81126623 + ... + 81378189.

It is an arithmetic number, because the mean of its divisors is an integer number (986032096560).

Almost surely, 220440424020202 is an apocalyptic number.

20440424020202 is a deficient number, since it is larger than the sum of its proper divisors (11112603069718).

20440424020202 is a wasteful number, since it uses less digits than its factorization.

20440424020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256166.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20440424020202 its reverse (20202042404402), we get a palindrome (40642466424604).

The spelling of 20440424020202 in words is "twenty trillion, four hundred forty billion, four hundred twenty-four million, twenty thousand, two hundred two".

Divisors: 1 2 41 82 229 458 4327 8654 9389 18778 177407 251567 354814 503134 990883 1981766 10314247 20628494 40626203 57608843 81252406 115217686 1088530409 2177060818 2361962563 4723925126 44629746769 89259493538 249273463661 498546927322 10220212010101 20440424020202