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23020321102020 = 223351121932577103
BaseRepresentation
bin1010011101111110101100…
…00011111101100011000100
310000111201110202110201112000
411032333112003331203010
511004131104200231040
6120543220045225300
74564110005551254
oct516772603754304
9100451422421460
1023020321102020
11737595513a500
1226b95aab62230
13caca64b97258
14598291d43964
1529dc28622130
hex14efd60fd8c4

23020321102020 has 576 divisors, whose sum is σ = 79448428523520. Its totient is φ = 5529387663360.

The previous prime is 23020321102019. The next prime is 23020321102027. The reversal of 23020321102020 is 2020112302032.

23020321102020 is a `hidden beast` number, since 2 + 302 + 0 + 321 + 1 + 0 + 20 + 20 = 666.

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 = 23020321101984 and 23020321102002.

It is not an unprimeable number, because it can be changed into a prime (23020321102027) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3240925789 + ... + 3240932891.

It is an arithmetic number, because the mean of its divisors is an integer number (137931299520).

Almost surely, 223020321102020 is an apocalyptic number.

23020321102020 is a gapful number since it is divisible by the number (20) 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 23020321102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39724214261760).

23020321102020 is an abundant number, since it is smaller than the sum of its proper divisors (56428107421500).

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

23020321102020 is a wasteful number, since it uses less digits than its factorization.

23020321102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7593 (or 7574 counting only the distinct ones).

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

Adding to 23020321102020 its reverse (2020112302032), we get a palindrome (25040433404052).

The spelling of 23020321102020 in words is "twenty-three trillion, twenty billion, three hundred twenty-one million, one hundred two thousand, twenty".