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1020233122020 = 22325717179266089
BaseRepresentation
bin11101101100010101010…
…00100000000011100100
310121112101210121112000200
432312022220200003210
5113203414134401040
62100404424310500
7133465220310660
oct16661250400344
93545353545020
101020233122020
11363750aaaa42
1214588a012430
13752910567a8
14375456938a0
151b812bd0630
hexed8aa200e4

1020233122020 has 288 divisors, whose sum is σ = 3765790828800. Its totient is φ = 218251763712.

The previous prime is 1020233122009. The next prime is 1020233122057. The reversal of 1020233122020 is 202213320201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1020233121984 and 1020233122002.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3701136 + ... + 3967224.

It is an arithmetic number, because the mean of its divisors is an integer number (13075662600).

Almost surely, 21020233122020 is an apocalyptic number.

1020233122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020233122020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1882895414400).

1020233122020 is an abundant number, since it is smaller than the sum of its proper divisors (2745557706780).

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

1020233122020 is a wasteful number, since it uses less digits than its factorization.

1020233122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266307 (or 266302 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1020233122020 its reverse (202213320201), we get a palindrome (1222446442221).

The spelling of 1020233122020 in words is "one trillion, twenty billion, two hundred thirty-three million, one hundred twenty-two thousand, twenty".