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20422300223231 = 67906313363203
BaseRepresentation
bin1001010010010111011111…
…11100110100011011111111
32200022100112012211120222022
410221023233330310123333
510134044332324120411
6111233513013310355
74205314431500654
oct451135774643377
980270465746868
1020422300223231
11656405a082195
122359b8b0353bb
13b51a78a1c62a
14508631dd1c2b
1525636e412edb
hex1292eff346ff

20422300223231 has 8 divisors (see below), whose sum is σ = 20727345535104. Its totient is φ = 20117261819160.

The previous prime is 20422300223179. The next prime is 20422300223257. The reversal of 20422300223231 is 13232200322402.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20422300223231 - 218 = 20422299961087 is a prime.

It is a super-2 number, since 2×204223002232312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20422300223231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422300223531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4390676 + ... + 7753878.

It is an arithmetic number, because the mean of its divisors is an integer number (2590918191888).

Almost surely, 220422300223231 is an apocalyptic number.

20422300223231 is a deficient number, since it is larger than the sum of its proper divisors (305045311873).

20422300223231 is an equidigital number, since it uses as much as digits as its factorization.

20422300223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453901.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20422300223231 its reverse (13232200322402), we get a palindrome (33654500545633).

The spelling of 20422300223231 in words is "twenty trillion, four hundred twenty-two billion, three hundred million, two hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 67 90631 3363203 6072277 225334601 304810451093 20422300223231