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20122020212001 = 353839150838601
BaseRepresentation
bin1001001001101000001011…
…10111011110110100100001
32122020122110012000112000220
410210310011313132310201
510114134344133241001
6110443532314433253
74144524263510121
oct444640567366441
978218405015026
1020122020212001
116458778914354
12230b947a32829
13b2c662ba1206
144d7ca7a00c81
1524d647392c36
hex124d05dded21

20122020212001 has 16 divisors (see below), whose sum is σ = 27368155946880. Its totient is φ = 13145885667200.

The previous prime is 20122020211987. The next prime is 20122020212003. The reversal of 20122020212001 is 10021202022102.

It is a cyclic number.

It is not a de Polignac number, because 20122020212001 - 27 = 20122020211873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122020212003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75285900 + ... + 75552701.

It is an arithmetic number, because the mean of its divisors is an integer number (1710509746680).

Almost surely, 220122020212001 is an apocalyptic number.

It is an amenable number.

20122020212001 is a deficient number, since it is larger than the sum of its proper divisors (7246135734879).

20122020212001 is a wasteful number, since it uses less digits than its factorization.

20122020212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150839496.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20122020212001 its reverse (10021202022102), we get a palindrome (30143222234103).

The spelling of 20122020212001 in words is "twenty trillion, one hundred twenty-two billion, twenty million, two hundred twelve thousand, one".

Divisors: 1 3 53 159 839 2517 44467 133401 150838601 452515803 7994445853 23983337559 126553586239 379660758717 6707340070667 20122020212001