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10020323111420 = 2251729471538563
BaseRepresentation
bin1001000111010000100111…
…0011001011000111111100
31022110221012112202021121202
42101310021303023013330
52303133110204031140
633151134535515032
72052641643056066
oct221641163130774
938427175667552
1010020323111420
113213660192476
12115a009b28a78
13578bb276363b
14268db42c2736
151259b9235915
hex91d09ccb1fc

10020323111420 has 24 divisors (see below), whose sum is σ = 22280483154384. Its totient is φ = 3772356935936.

The previous prime is 10020323111413. The next prime is 10020323111453. The reversal of 10020323111420 is 2411132302001.

10020323111420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10020323111392 and 10020323111401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14735768942 + ... + 14735769621.

It is an arithmetic number, because the mean of its divisors is an integer number (928353464766).

Almost surely, 210020323111420 is an apocalyptic number.

10020323111420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020323111420 is an abundant number, since it is smaller than the sum of its proper divisors (12260160042964).

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

10020323111420 is a wasteful number, since it uses less digits than its factorization.

10020323111420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29471538589 (or 29471538587 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10020323111420 its reverse (2411132302001), we get a palindrome (12431455413421).

The spelling of 10020323111420 in words is "ten trillion, twenty billion, three hundred twenty-three million, one hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 29471538563 58943077126 117886154252 147357692815 294715385630 501016155571 589430771260 1002032311142 2004064622284 2505080777855 5010161555710 10020323111420