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1202011020220 = 22560100551011
BaseRepresentation
bin10001011111011101011…
…100001001101110111100
311020220121012210112002211
4101133131130021232330
5124143204310121340
62320110215430204
7152561645043523
oct21373534115674
94226535715084
101202011020220
1142385198037a
12174b5b085364
13894701200ba
144226b6514ba
15214015285ea
hex117dd709bbc

1202011020220 has 12 divisors (see below), whose sum is σ = 2524223142504. Its totient is φ = 480804408080.

The previous prime is 1202011020193. The next prime is 1202011020227. The reversal of 1202011020220 is 220201102021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1202011020220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202011020227) 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, 30050275486 + ... + 30050275525.

It is an arithmetic number, because the mean of its divisors is an integer number (210351928542).

Almost surely, 21202011020220 is an apocalyptic number.

1202011020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202011020220 is an abundant number, since it is smaller than the sum of its proper divisors (1322212122284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202011020220 is a wasteful number, since it uses less digits than its factorization.

1202011020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60100551020 (or 60100551018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1202011020220 its reverse (220201102021), we get a palindrome (1422212122241).

The spelling of 1202011020220 in words is "one trillion, two hundred two billion, eleven million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 60100551011 120201102022 240402204044 300502755055 601005510110 1202011020220