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20880950 = 2523711287
BaseRepresentation
bin100111110100…
…1111000110110
31110021212021112
41033221320312
520321142300
62023315022
7342325256
oct117517066
943255245
1020880950
1110872192
126baba72
1344313bc
142ab7966
151c76e35
hex13e9e36

20880950 has 24 divisors (see below), whose sum is σ = 39891792. Its totient is φ = 8125920.

The previous prime is 20880911. The next prime is 20880953. The reversal of 20880950 is 5908802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20880953) 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, 3794 + ... + 7493.

It is an arithmetic number, because the mean of its divisors is an integer number (1662158).

Almost surely, 220880950 is an apocalyptic number.

20880950 is a deficient number, since it is larger than the sum of its proper divisors (19010842).

20880950 is a wasteful number, since it uses less digits than its factorization.

20880950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11336 (or 11331 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 20880950 is about 4569.5678132620. The cubic root of 20880950 is about 275.3700802548.

The spelling of 20880950 in words is "twenty million, eight hundred eighty thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 37 50 74 185 370 925 1850 11287 22574 56435 112870 282175 417619 564350 835238 2088095 4176190 10440475 20880950