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1020220440201 = 32689271644607
BaseRepresentation
bin11101101100010011110…
…00000111111010001001
310121112100220202012211200
432312021320013322021
5113203402413041301
62100403252414413
7133465004441514
oct16661170077211
93545326665750
101020220440201
113637449289a6
12145885917409
137528b536361
1437543b11d7b
151b811a27c86
hexed89e07e89

1020220440201 has 12 divisors (see below), whose sum is σ = 1473674022912. Its totient is φ = 680136678936.

The previous prime is 1020220440137. The next prime is 1020220440227. The reversal of 1020220440201 is 1020440220201.

1020220440201 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 2 + 20 + 440 + 201 = 666.

It is not a de Polignac number, because 1020220440201 - 26 = 1020220440137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020220440101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201961 + ... + 1442646.

It is an arithmetic number, because the mean of its divisors is an integer number (122806168576).

Almost surely, 21020220440201 is an apocalyptic number.

It is an amenable number.

1020220440201 is a deficient number, since it is larger than the sum of its proper divisors (453453582711).

1020220440201 is a wasteful number, since it uses less digits than its factorization.

1020220440201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713540 (or 1713537 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1020220440201 its reverse (1020440220201), we get a palindrome (2040660660402).

The spelling of 1020220440201 in words is "one trillion, twenty billion, two hundred twenty million, four hundred forty thousand, two hundred one".

Divisors: 1 3 9 68927 206781 620343 1644607 4933821 14801463 113357826689 340073480067 1020220440201