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2020122200121 = 31935440740353
BaseRepresentation
bin11101011001011000101…
…010101000100000111001
321011010021210022112021020
4131121120222220200321
5231044202240400441
64144010433333053
7265643340245364
oct35313052504071
97133253275236
102020122200121
11709802354643
1228761aa07189
1311865c35646c
146dabb0a50db
1537834835e66
hex1d658aa8839

2020122200121 has 8 divisors (see below), whose sum is σ = 2835259228320. Its totient is φ = 1275866652672.

The previous prime is 2020122200099. The next prime is 2020122200147. The reversal of 2020122200121 is 1210022210202.

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

It is not a de Polignac number, because 2020122200121 - 215 = 2020122167353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020122200121.

It is not an unprimeable number, because it can be changed into a prime (2020102200121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17720370120 + ... + 17720370233.

It is an arithmetic number, because the mean of its divisors is an integer number (354407403540).

Almost surely, 22020122200121 is an apocalyptic number.

It is an amenable number.

2020122200121 is a deficient number, since it is larger than the sum of its proper divisors (815137028199).

2020122200121 is a wasteful number, since it uses less digits than its factorization.

2020122200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35440740375.

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

Adding to 2020122200121 its reverse (1210022210202), we get a palindrome (3230144410323).

The spelling of 2020122200121 in words is "two trillion, twenty billion, one hundred twenty-two million, two hundred thousand, one hundred twenty-one".

Divisors: 1 3 19 57 35440740353 106322221059 673374066707 2020122200121