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1202021010220 = 22560101050511
BaseRepresentation
bin10001011111011110000…
…010010000101100101100
311020220121220121001210211
4101133132002100230230
5124143214334311340
62320111213512204
7152562126002062
oct21373602205454
94226556531724
101202021010220
11423857583a78
12174b624a2664
138947220a244
144226cad2032
152140234d5ea
hex117de090b2c

1202021010220 has 12 divisors (see below), whose sum is σ = 2524244121504. Its totient is φ = 480808404080.

The previous prime is 1202021010187. The next prime is 1202021010251. The reversal of 1202021010220 is 220101202021.

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 1202021010220.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30050525236 + ... + 30050525275.

It is an arithmetic number, because the mean of its divisors is an integer number (210353676792).

Almost surely, 21202021010220 is an apocalyptic number.

1202021010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202021010220 is an abundant number, since it is smaller than the sum of its proper divisors (1322223111284).

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

1202021010220 is a wasteful number, since it uses less digits than its factorization.

1202021010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60101050520 (or 60101050518 counting only the distinct ones).

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

Adding to 1202021010220 its reverse (220101202021), we get a palindrome (1422122212241).

The spelling of 1202021010220 in words is "one trillion, two hundred two billion, twenty-one million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 60101050511 120202101022 240404202044 300505252555 601010505110 1202021010220