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20202021020111 = 710411272771999
BaseRepresentation
bin1001001011111101001100…
…10010010110000111001111
32122112021221120122122112212
410211332212102112013033
510121442214340120421
6110544402541421035
74153355625245540
oct445764622260717
978467846578485
1020202021020111
1164896a1222597
122323353b6a77b
13b37072229aa8
144dbad690a4c7
1525077a970e5b
hex125fa64961cf

20202021020111 has 8 divisors (see below), whose sum is σ = 23088054528000. Its totient is φ = 17315995138488.

The previous prime is 20202021020087. The next prime is 20202021020119. The reversal of 20202021020111 is 11102012020202.

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

It is a cyclic number.

It is not a de Polignac number, because 20202021020111 - 214 = 20202021003727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202021020119) 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, 5901890 + ... + 8673888.

It is an arithmetic number, because the mean of its divisors is an integer number (2886006816000).

Almost surely, 220202021020111 is an apocalyptic number.

20202021020111 is a deficient number, since it is larger than the sum of its proper divisors (2886033507889).

20202021020111 is a wasteful number, since it uses less digits than its factorization.

20202021020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813133.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20202021020111 its reverse (11102012020202), we get a palindrome (31304033040313).

The spelling of 20202021020111 in words is "twenty trillion, two hundred two billion, twenty-one million, twenty thousand, one hundred eleven".

Divisors: 1 7 1041127 2771999 7287889 19403993 2886003002873 20202021020111