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20330031012033 = 36776677004011
BaseRepresentation
bin1001001111101011101000…
…10001101101100011000001
32122222112100211001000021210
410213311310101231203001
510131041400414341113
6111123253132040333
74165540056235221
oct447656421554301
978875324030253
1020330031012033
116528a1055a146
12234411a3030a9
13b46162a45242
14503d9b99c081
15253c6dc476c3
hex127d7446d8c1

20330031012033 has 4 divisors (see below), whose sum is σ = 27106708016048. Its totient is φ = 13553354008020.

The previous prime is 20330031012001. The next prime is 20330031012061. The reversal of 20330031012033 is 33021013003302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20330031012033 - 25 = 20330031012001 is a prime.

It is a super-3 number, since 3×203300310120333 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330031012133) 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, 3388338502003 + ... + 3388338502008.

It is an arithmetic number, because the mean of its divisors is an integer number (6776677004012).

Almost surely, 220330031012033 is an apocalyptic number.

It is an amenable number.

20330031012033 is a deficient number, since it is larger than the sum of its proper divisors (6776677004015).

20330031012033 is an equidigital number, since it uses as much as digits as its factorization.

20330031012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776677004014.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20330031012033 its reverse (33021013003302), we get a palindrome (53351044015335).

The spelling of 20330031012033 in words is "twenty trillion, three hundred thirty billion, thirty-one million, twelve thousand, thirty-three".

Divisors: 1 3 6776677004011 20330031012033