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20331331232023 = 724316711944367
BaseRepresentation
bin1001001111101110000011…
…10001101010000100010111
32122222122201102122000210201
410213313001301222010113
510131102031243411043
6111124030140201331
74165614225023110
oct447670161520427
978878642560721
1020331331232023
116529518497719
122344421839247
13b4630c229396
14504082539207
15253ce7e7cc4d
hex127dc1c6a117

20331331232023 has 8 divisors (see below), whose sum is σ = 23235904622592. Its totient is φ = 17426782216536.

The previous prime is 20331331232021. The next prime is 20331331232029. The reversal of 20331331232023 is 32023213313302.

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

It is not a de Polignac number, because 20331331232023 - 21 = 20331331232021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20331331231982 and 20331331232000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331331232021) 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, 4270015 + ... + 7674352.

It is an arithmetic number, because the mean of its divisors is an integer number (2904488077824).

Almost surely, 220331331232023 is an apocalyptic number.

20331331232023 is a deficient number, since it is larger than the sum of its proper divisors (2904573390569).

20331331232023 is a wasteful number, since it uses less digits than its factorization.

20331331232023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187541.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 20331331232023 its reverse (32023213313302), we get a palindrome (52354544545325).

The spelling of 20331331232023 in words is "twenty trillion, three hundred thirty-one billion, three hundred thirty-one million, two hundred thirty-two thousand, twenty-three".

Divisors: 1 7 243167 1702169 11944367 83610569 2904475890289 20331331232023