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1320232002220 = 22566011600111
BaseRepresentation
bin10011001101100011111…
…101011010001010101100
311200012202020102122200201
4103031203331122022230
5133112313343032340
62450301201403244
7164245402600525
oct23154375321254
94605666378621
101320232002220
114699a860198a
12193a53039524
13976608827a1
1447c845c384c
152452021c79a
hex13363f5a2ac

1320232002220 has 12 divisors (see below), whose sum is σ = 2772487204704. Its totient is φ = 528092800880.

The previous prime is 1320232002211. The next prime is 1320232002281. The reversal of 1320232002220 is 222002320231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33005800036 + ... + 33005800075.

It is an arithmetic number, because the mean of its divisors is an integer number (231040600392).

Almost surely, 21320232002220 is an apocalyptic number.

1320232002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320232002220 is an abundant number, since it is smaller than the sum of its proper divisors (1452255202484).

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

1320232002220 is a wasteful number, since it uses less digits than its factorization.

1320232002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66011600120 (or 66011600118 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 1320232002220 its reverse (222002320231), we get a palindrome (1542234322451).

The spelling of 1320232002220 in words is "one trillion, three hundred twenty billion, two hundred thirty-two million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 66011600111 132023200222 264046400444 330058000555 660116001110 1320232002220