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20542223035401 = 337223829888217
BaseRepresentation
bin1001010101110110110111…
…11010000010110000001001
32200201211001211202122200020
410222323123322002300021
510143030433044113101
6111404544511331053
74220061302541654
oct452733372026011
980654054678606
1020542223035401
1165aa9a9406a11
122379278b20a89
13b6017ac1c612
1451036ada489b
1525953c71d136
hex12aedbe82c09

20542223035401 has 16 divisors (see below), whose sum is σ = 28256034046464. Its totient is φ = 13264933244544.

The previous prime is 20542223035393. The next prime is 20542223035409. The reversal of 20542223035401 is 10453032224502.

It is an interprime number because it is at equal distance from previous prime (20542223035393) and next prime (20542223035409).

It is not a de Polignac number, because 20542223035401 - 23 = 20542223035393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20542223035409) 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, 414919356 + ... + 414968861.

It is an arithmetic number, because the mean of its divisors is an integer number (1766002127904).

Almost surely, 220542223035401 is an apocalyptic number.

It is an amenable number.

20542223035401 is a deficient number, since it is larger than the sum of its proper divisors (7713811011063).

20542223035401 is a wasteful number, since it uses less digits than its factorization.

20542223035401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829888480.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 20542223035401 its reverse (10453032224502), we get a palindrome (30995255259903).

The spelling of 20542223035401 in words is "twenty trillion, five hundred forty-two billion, two hundred twenty-three million, thirty-five thousand, four hundred one".

Divisors: 1 3 37 111 223 669 8251 24753 829888217 2489664651 30705864029 92117592087 185065072391 555195217173 6847407678467 20542223035401