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20359996 = 228957191
BaseRepresentation
bin100110110101…
…0101100111100
31102022101122221
41031222230330
520203004441
62004215124
7335025406
oct115525474
942271587
1020359996
1110546848
12699a4a4
1342ab247
1429bdb76
151bc28d1
hex136ab3c

20359996 has 12 divisors (see below), whose sum is σ = 36030960. Its totient is φ = 10065440.

The previous prime is 20359993. The next prime is 20360017. The reversal of 20359996 is 69995302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20359993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28240 + ... + 28951.

It is an arithmetic number, because the mean of its divisors is an integer number (3002580).

Almost surely, 220359996 is an apocalyptic number.

It is an amenable number.

20359996 is a deficient number, since it is larger than the sum of its proper divisors (15670964).

20359996 is a wasteful number, since it uses less digits than its factorization.

20359996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57284 (or 57282 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 20359996 is about 4512.2052258292. The cubic root of 20359996 is about 273.0607190055.

The spelling of 20359996 in words is "twenty million, three hundred fifty-nine thousand, nine hundred ninety-six".

Divisors: 1 2 4 89 178 356 57191 114382 228764 5089999 10179998 20359996