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120041020 = 22511545641
BaseRepresentation
bin1110010011110…
…10111000111100
322100212201022201
413021322320330
5221212303040
615524521244
72655221551
oct711727074
9270781281
10120041020
116183a660
1234250224
131bb3c7b8
1411d2aa28
15a812a9a
hex727ae3c

120041020 has 24 divisors (see below), whose sum is σ = 275003568. Its totient is φ = 43651200.

The previous prime is 120040969. The next prime is 120041081. The reversal of 120041020 is 20140021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120040988 and 120041006.

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, 272601 + ... + 273040.

It is an arithmetic number, because the mean of its divisors is an integer number (11458482).

Almost surely, 2120041020 is an apocalyptic number.

120041020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120041020 is an abundant number, since it is smaller than the sum of its proper divisors (154962548).

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

120041020 is a wasteful number, since it uses less digits than its factorization.

120041020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545661 (or 545659 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 120041020 is about 10956.3232884029. The cubic root of 120041020 is about 493.2986106963.

Adding to 120041020 its reverse (20140021), we get a palindrome (140181041).

Subtracting from 120041020 its reverse (20140021), we obtain a palindrome (99900999).

The spelling of 120041020 in words is "one hundred twenty million, forty-one thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 545641 1091282 2182564 2728205 5456410 6002051 10912820 12004102 24008204 30010255 60020510 120041020