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20042422401031 = 53881429238267
BaseRepresentation
bin1001000111010011111010…
…11101111011100000000111
32121222000222212200202122221
410203221331131323200013
510111333340113313111
6110343210045233211
74136005624335232
oct443517535734007
977860885622587
1020042422401031
116427a41a388a8
1222b8432862807
13b24cb9196194
144d40b643a419
1524b53936b371
hex123a7d77b807

20042422401031 has 8 divisors (see below), whose sum is σ = 20443760228304. Its totient is φ = 19641943052160.

The previous prime is 20042422400969. The next prime is 20042422401049. The reversal of 20042422401031 is 13010422424002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20042422401031 is a prime.

It is a super-2 number, since 2×200424224010312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20042422400987 and 20042422401005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042422401061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214572441 + ... + 214665826.

It is an arithmetic number, because the mean of its divisors is an integer number (2555470028538).

Almost surely, 220042422401031 is an apocalyptic number.

20042422401031 is a deficient number, since it is larger than the sum of its proper divisors (401337827273).

20042422401031 is an equidigital number, since it uses as much as digits as its factorization.

20042422401031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429239201.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20042422401031 its reverse (13010422424002), we get a palindrome (33052844825033).

The spelling of 20042422401031 in words is "twenty trillion, forty-two billion, four hundred twenty-two million, four hundred one thousand, thirty-one".

Divisors: 1 53 881 46693 429238267 22749628151 378158913227 20042422401031