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120772020 = 22354494483
BaseRepresentation
bin1110011001011…
…01010110110100
322102020212001210
413030231112310
5221404201040
615552321420
72664355005
oct714552664
9272225053
10120772020
1162199896
1234543270
131c037445
141207b1ac
15a909480
hex732d5b4

120772020 has 48 divisors (see below), whose sum is σ = 338990400. Its totient is φ = 32126976.

The previous prime is 120772013. The next prime is 120772031. The reversal of 120772020 is 20277021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24699 + ... + 29181.

It is an arithmetic number, because the mean of its divisors is an integer number (7062300).

Almost surely, 2120772020 is an apocalyptic number.

120772020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120772020 is an abundant number, since it is smaller than the sum of its proper divisors (218218380).

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

120772020 is a wasteful number, since it uses less digits than its factorization.

120772020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944 (or 4942 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 120772020 is about 10989.6323869363. The cubic root of 120772020 is about 494.2979129349.

The spelling of 120772020 in words is "one hundred twenty million, seven hundred seventy-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 449 898 1347 1796 2245 2694 4483 4490 5388 6735 8966 8980 13449 13470 17932 22415 26898 26940 44830 53796 67245 89660 134490 268980 2012867 4025734 6038601 8051468 10064335 12077202 20128670 24154404 30193005 40257340 60386010 120772020