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20331050 = 2521492729
BaseRepresentation
bin100110110001…
…1101000101010
31102020220221212
41031203220222
520201043200
62003433122
7334545125
oct115435052
942226855
1020331050
1110527023
1269857a2
13429b00c
1429b33bc
151bb9035
hex1363a2a

20331050 has 24 divisors (see below), whose sum is σ = 38083500. Its totient is φ = 8074880.

The previous prime is 20331043. The next prime is 20331053. The reversal of 20331050 is 5013302.

20331050 = 962 + 972 + ... + 3952.

It can be written as a sum of positive squares in 6 ways, for example, as 8886361 + 11444689 = 2981^2 + 3383^2 .

It is not an unprimeable number, because it can be changed into a prime (20331053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6086 + ... + 8814.

Almost surely, 220331050 is an apocalyptic number.

20331050 is a deficient number, since it is larger than the sum of its proper divisors (17752450).

20331050 is a wasteful number, since it uses less digits than its factorization.

20331050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890 (or 2885 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 20331050 is about 4508.9965624294. The cubic root of 20331050 is about 272.9312532913.

Adding to 20331050 its reverse (5013302), we get a palindrome (25344352).

The spelling of 20331050 in words is "twenty million, three hundred thirty-one thousand, fifty".

Divisors: 1 2 5 10 25 50 149 298 745 1490 2729 3725 5458 7450 13645 27290 68225 136450 406621 813242 2033105 4066210 10165525 20331050