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20422012433623 = 312141637348281
BaseRepresentation
bin1001010010010110111101…
…10010111111010011010111
32200022022210011022100211221
410221023132302333103113
510134043240140333443
6111233424253111211
74205304335355133
oct451133662772327
980268704270757
1020422012433623
116563a21688639
122359b0a788507
13b51a31208518
14508605aba3c3
15256354016eed
hex1292decbf4d7

20422012433623 has 16 divisors (see below), whose sum is σ = 21094379534592. Its totient is φ = 19750498272000.

The previous prime is 20422012433533. The next prime is 20422012433813. The reversal of 20422012433623 is 32633421022402.

It is a cyclic number.

It is not a de Polignac number, because 20422012433623 - 213 = 20422012425431 is a prime.

It is a super-2 number, since 2×204220124336232 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422012433423) 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, 422958243 + ... + 423006523.

It is an arithmetic number, because the mean of its divisors is an integer number (1318398720912).

Almost surely, 220422012433623 is an apocalyptic number.

20422012433623 is a deficient number, since it is larger than the sum of its proper divisors (672367100969).

20422012433623 is a wasteful number, since it uses less digits than its factorization.

20422012433623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56826.

The product of its (nonzero) digits is 82944, while the sum is 34.

The spelling of 20422012433623 in words is "twenty trillion, four hundred twenty-two billion, twelve million, four hundred thirty-three thousand, six hundred twenty-three".

Divisors: 1 31 2141 6373 48281 66371 197563 1496711 13644593 103369621 307694813 422982383 3204458251 9538539203 658774594633 20422012433623