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20331022123001 = 22015192350351
BaseRepresentation
bin1001001111101101011110…
…10110011111111111111001
32122222121220212222122221102
410213312233112133333321
510131100413130414001
6111123535335021145
74165603452444452
oct447665726377771
978877825878842
1020331022123001
116529379a61517
12234435620a7b5
13b4629018c435
14504053474129
15253ccac6ee6b
hex127daf59fff9

20331022123001 has 4 divisors (see below), whose sum is σ = 20331114693504. Its totient is φ = 20330929552500.

The previous prime is 20331022122997. The next prime is 20331022123141. The reversal of 20331022123001 is 10032122013302.

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 20331022123001 - 22 = 20331022122997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331022123201) 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, 45955025 + ... + 46395326.

It is an arithmetic number, because the mean of its divisors is an integer number (5082778673376).

Almost surely, 220331022123001 is an apocalyptic number.

It is an amenable number.

20331022123001 is a deficient number, since it is larger than the sum of its proper divisors (92570503).

20331022123001 is an equidigital number, since it uses as much as digits as its factorization.

20331022123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92570502.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20331022123001 its reverse (10032122013302), we get a palindrome (30363144136303).

The spelling of 20331022123001 in words is "twenty trillion, three hundred thirty-one billion, twenty-two million, one hundred twenty-three thousand, one".

Divisors: 1 220151 92350351 20331022123001