Search a number
-
+
20332422021031 = 31636428208037
BaseRepresentation
bin1001001111110000000101…
…10010101011111110100111
32122222202112110010212000121
410213320002302223332213
510131111300014133111
6111124330303422411
74165653241414021
oct447700262537647
978882473125017
1020332422021031
116529a2819063a
122344686bb4a07
13b46454203673
1450414735b011
15253d5dae4871
hex127e02cabfa7

20332422021031 has 4 divisors (see below), whose sum is σ = 20338850232232. Its totient is φ = 20325993809832.

The previous prime is 20332422021017. The next prime is 20332422021047. The reversal of 20332422021031 is 13012022423302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20332422021031 - 229 = 20331885150119 is a prime.

It is a super-2 number, since 2×203324220210312 (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 = 20332422020987 and 20332422021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332422021071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3214100856 + ... + 3214107181.

It is an arithmetic number, because the mean of its divisors is an integer number (5084712558058).

Almost surely, 220332422021031 is an apocalyptic number.

20332422021031 is a deficient number, since it is larger than the sum of its proper divisors (6428211201).

20332422021031 is an equidigital number, since it uses as much as digits as its factorization.

20332422021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428211200.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20332422021031 its reverse (13012022423302), we get a palindrome (33344444444333).

The spelling of 20332422021031 in words is "twenty trillion, three hundred thirty-two billion, four hundred twenty-two million, twenty-one thousand, thirty-one".

Divisors: 1 3163 6428208037 20332422021031