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20079033 = 313514847
BaseRepresentation
bin100110010011…
…0000110111001
31101210010020220
41030212012321
520120012113
61554210253
7332445312
oct114460671
941703226
1020079033
1110374747
126883989
1342103b0
142949609
151b69523
hex13261b9

20079033 has 8 divisors (see below), whose sum is σ = 28831488. Its totient is φ = 12356304.

The previous prime is 20079001. The next prime is 20079043. The reversal of 20079033 is 33097002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20079033 - 25 = 20079001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20078994 and 20079012.

It is not an unprimeable number, because it can be changed into a prime (20079043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257385 + ... + 257462.

It is an arithmetic number, because the mean of its divisors is an integer number (3603936).

Almost surely, 220079033 is an apocalyptic number.

It is an amenable number.

20079033 is a deficient number, since it is larger than the sum of its proper divisors (8752455).

20079033 is a wasteful number, since it uses less digits than its factorization.

20079033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514863.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 20079033 is about 4480.9634008771. The cubic root of 20079033 is about 271.7988393355.

It can be divided in two parts, 2007 and 9033, that multiplied together give a triangular number (18129231 = T6021).

The spelling of 20079033 in words is "twenty million, seventy-nine thousand, thirty-three".

Divisors: 1 3 13 39 514847 1544541 6693011 20079033