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20220936 = 2332713109
BaseRepresentation
bin100110100100…
…0110000001000
31102001022220120
41031020300020
520134032221
62001223240
7333606111
oct115106010
942038816
1020220936
111046131a
126931b20
13425cb68
142985208
151b965c6
hex1348c08

20220936 has 32 divisors (see below), whose sum is σ = 50755200. Its totient is φ = 6713280.

The previous prime is 20220923. The next prime is 20220947. The reversal of 20220936 is 63902202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4950 + ... + 8058.

It is an arithmetic number, because the mean of its divisors is an integer number (1586100).

Almost surely, 220220936 is an apocalyptic number.

It is an amenable number.

20220936 is an abundant number, since it is smaller than the sum of its proper divisors (30534264).

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

20220936 is a wasteful number, since it uses less digits than its factorization.

20220936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 20220936 is about 4496.7695071017. The cubic root of 20220936 is about 272.4376245304.

The spelling of 20220936 in words is "twenty million, two hundred twenty thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 271 542 813 1084 1626 2168 3109 3252 6218 6504 9327 12436 18654 24872 37308 74616 842539 1685078 2527617 3370156 5055234 6740312 10110468 20220936