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120432010020 = 223571992116829
BaseRepresentation
bin111000000101001001…
…1101010001100100100
3102111212010001222211120
41300022103222030210
53433121043310040
6131154203533540
711462263123560
oct1601223521444
9374763058746
10120432010020
11470908036a3
121b41052a2b0
13b4838557ba
145b868806a0
1531ecd8d7d0
hex1c0a4ea324

120432010020 has 192 divisors, whose sum is σ = 389211648000. Its totient is φ = 27255191040.

The previous prime is 120432010009. The next prime is 120432010021. The reversal of 120432010020 is 20010234021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (120432010021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17631966 + ... + 17638794.

It is an arithmetic number, because the mean of its divisors is an integer number (2027144000).

Almost surely, 2120432010020 is an apocalyptic number.

120432010020 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 120432010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194605824000).

120432010020 is an abundant number, since it is smaller than the sum of its proper divisors (268779637980).

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

120432010020 is a wasteful number, since it uses less digits than its factorization.

120432010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258 (or 7256 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 120432010020 its reverse (20010234021), we get a palindrome (140442244041).

The spelling of 120432010020 in words is "one hundred twenty billion, four hundred thirty-two million, ten thousand, twenty".