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20301211033 = 191106289063
BaseRepresentation
bin10010111010000010…
…111110010110011001
31221101211022101002221
4102322002332112121
5313034102223113
613154245224041
71316040306115
oct227202762631
957354271087
1020301211033
118678560364
123b26a02021
131bb6c0aa0c
14da82d2745
157dc41898d
hex4ba0be599

20301211033 has 4 divisors (see below), whose sum is σ = 20407500288. Its totient is φ = 20194921780.

The previous prime is 20301211031. The next prime is 20301211037. The reversal of 20301211033 is 33011210302.

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 a cyclic number.

It is not a de Polignac number, because 20301211033 - 21 = 20301211031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20301210998 and 20301211016.

It is not an unprimeable number, because it can be changed into a prime (20301211031) 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, 53144341 + ... + 53144722.

It is an arithmetic number, because the mean of its divisors is an integer number (5101875072).

Almost surely, 220301211033 is an apocalyptic number.

It is an amenable number.

20301211033 is a deficient number, since it is larger than the sum of its proper divisors (106289255).

20301211033 is a wasteful number, since it uses less digits than its factorization.

20301211033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106289254.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20301211033 its reverse (33011210302), we get a palindrome (53312421335).

The spelling of 20301211033 in words is "twenty billion, three hundred one million, two hundred eleven thousand, thirty-three".

Divisors: 1 191 106289063 20301211033