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1020200220001 = 5581803922739
BaseRepresentation
bin11101101100010001010…
…10111111010101100001
310121112022111200220221101
432312020222333111201
5113203332224020001
62100401251154401
7133464340534504
oct16661052772541
93545274626841
101020200220001
11363734478196
1214587aba5a01
13752872a6941
143754116b13b
151b80ed81a01
hexed88abf561

1020200220001 has 8 divisors (see below), whose sum is σ = 1020554827200. Its totient is φ = 1019845685520.

The previous prime is 1020200219953. The next prime is 1020200220023. The reversal of 1020200220001 is 1000220020201.

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 1020200220001 - 27 = 1020200219873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020200220001.

It is not an unprimeable number, because it can be changed into a prime (1020200220041) 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, 44854290 + ... + 44877028.

It is an arithmetic number, because the mean of its divisors is an integer number (127569353400).

Almost surely, 21020200220001 is an apocalyptic number.

It is an amenable number.

1020200220001 is a deficient number, since it is larger than the sum of its proper divisors (354607199).

1020200220001 is an equidigital number, since it uses as much as digits as its factorization.

1020200220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36359.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1020200220001 its reverse (1000220020201), we get a palindrome (2020420240202).

The spelling of 1020200220001 in words is "one trillion, twenty billion, two hundred million, two hundred twenty thousand, one".

Divisors: 1 5581 8039 22739 44865659 126906359 182798821 1020200220001