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20122021023133 = 94727212421179
BaseRepresentation
bin1001001001101000001011…
…11010100100110110011101
32122020122110020112201200211
410210310011322210312131
510114134344340220013
6110443532344052421
74144524303426001
oct444640572446635
978218406481624
1020122021023133
116458779318807
12230b948164111
13b2c6630c6483
144d7ca7b72701
1524d6474a323d
hex124d05ea4d9d

20122021023133 has 4 divisors (see below), whose sum is σ = 20122233539040. Its totient is φ = 20121808507228.

The previous prime is 20122021023059. The next prime is 20122021023193. The reversal of 20122021023133 is 33132012022102.

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 20122021023133 - 225 = 20121987468701 is a prime.

It is a super-2 number, since 2×201220210231332 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122021023193) 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, 106115863 + ... + 106305316.

It is an arithmetic number, because the mean of its divisors is an integer number (5030558384760).

Almost surely, 220122021023133 is an apocalyptic number.

It is an amenable number.

20122021023133 is a deficient number, since it is larger than the sum of its proper divisors (212515907).

20122021023133 is an equidigital number, since it uses as much as digits as its factorization.

20122021023133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212515906.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20122021023133 its reverse (33132012022102), we get a palindrome (53254033045235).

The spelling of 20122021023133 in words is "twenty trillion, one hundred twenty-two billion, twenty-one million, twenty-three thousand, one hundred thirty-three".

Divisors: 1 94727 212421179 20122021023133