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20221330132031 = 731671484393703
BaseRepresentation
bin1001001100100001001010…
…01100110000110000111111
32122121010210021011011112012
410212100211030300300333
510122301241003211111
6111001314551001435
74154641261061510
oct446204514606077
978533707134465
1020221330132031
1164968aa766126
12232704266927b
13b38b2b7358c2
144dca0914aa07
1525100ac1948b
hex126425330c3f

20221330132031 has 32 divisors (see below), whose sum is σ = 24213521399808. Its totient is φ = 16521813997920.

The previous prime is 20221330132009. The next prime is 20221330132063. The reversal of 20221330132031 is 13023103312202.

It is not a de Polignac number, because 20221330132031 - 214 = 20221330115647 is a prime.

It is a super-2 number, since 2×202213301320312 (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 = 20221330131988 and 20221330132006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221330131031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215755526 + ... + 215849228.

It is an arithmetic number, because the mean of its divisors is an integer number (756672543744).

Almost surely, 220221330132031 is an apocalyptic number.

20221330132031 is a deficient number, since it is larger than the sum of its proper divisors (3992191267777).

20221330132031 is a wasteful number, since it uses less digits than its factorization.

20221330132031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108651.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20221330132031 its reverse (13023103312202), we get a palindrome (33244433444233).

The spelling of 20221330132031 in words is "twenty trillion, two hundred twenty-one billion, three hundred thirty million, one hundred thirty-two thousand, thirty-one".

Divisors: 1 7 31 67 217 469 2077 14539 14843 93703 103901 460133 655921 994481 2904793 3220931 6278101 6961367 20333551 30828911 43946707 194621131 215802377 1362347917 1390833629 9735835403 43115842499 93185853143 301810897493 652300972001 2888761447433 20221330132031