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141022020 = 223510921563
BaseRepresentation
bin10000110011111…
…01001101000100
3100211100122211210
420121331031010
5242100201040
621554331420
73331444626
oct1031751504
9324318753
10141022020
117266aa27
123b289b70
13232a75a9
1414a2cc16
15c5a9480
hex867d344

141022020 has 48 divisors (see below), whose sum is σ = 398502720. Its totient is φ = 37259136.

The previous prime is 141022003. The next prime is 141022027. The reversal of 141022020 is 20220141.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 141021987 and 141022005.

It is not an unprimeable number, because it can be changed into a prime (141022027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4242 + ... + 17321.

It is an arithmetic number, because the mean of its divisors is an integer number (8302140).

Almost surely, 2141022020 is an apocalyptic number.

141022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141022020 is an abundant number, since it is smaller than the sum of its proper divisors (257480700).

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

141022020 is a wasteful number, since it uses less digits than its factorization.

141022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21684 (or 21682 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 141022020 is about 11875.2692601052. The cubic root of 141022020 is about 520.5098795649.

Adding to 141022020 its reverse (20220141), we get a palindrome (161242161).

The spelling of 141022020 in words is "one hundred forty-one million, twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 545 654 1090 1308 1635 2180 3270 6540 21563 43126 64689 86252 107815 129378 215630 258756 323445 431260 646890 1293780 2350367 4700734 7051101 9401468 11751835 14102202 23503670 28204404 35255505 47007340 70511010 141022020