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2020111021218 = 232314638485661
BaseRepresentation
bin11101011001010111111…
…111111111010010100010
321011010021000021120200210
4131121113333333102202
5231044141410134333
64144005353554550
7265643143236003
oct35312777772242
97133230246623
102020111021218
117097a7009784
12287617115a56
13118659c41124
146dab97d51aa
1537833878a63
hex1d657fff4a2

2020111021218 has 16 divisors (see below), whose sum is σ = 4215883870656. Its totient is φ = 644093369040.

The previous prime is 2020111021217. The next prime is 2020111021223. The reversal of 2020111021218 is 8121201110202.

It is a junction number, because it is equal to n+sod(n) for n = 2020111021194 and 2020111021203.

It is not an unprimeable number, because it can be changed into a prime (2020111021217) 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, 7319242693 + ... + 7319242968.

It is an arithmetic number, because the mean of its divisors is an integer number (263492741916).

Almost surely, 22020111021218 is an apocalyptic number.

2020111021218 is an abundant number, since it is smaller than the sum of its proper divisors (2195772849438).

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

2020111021218 is a wasteful number, since it uses less digits than its factorization.

2020111021218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14638485689.

The product of its (nonzero) digits is 128, while the sum is 21.

The spelling of 2020111021218 in words is "two trillion, twenty billion, one hundred eleven million, twenty-one thousand, two hundred eighteen".

Divisors: 1 2 3 6 23 46 69 138 14638485661 29276971322 43915456983 87830913966 336685170203 673370340406 1010055510609 2020111021218