Search a number
-
+
20301032212 = 2211294495357
BaseRepresentation
bin10010111010000010…
…010010101100010100
31221101210222021210221
4102322002102230110
5313034031012322
613154241324124
71316035632556
oct227202225424
957353867727
1020301032212
118678448a7a
123b26936644
131bb6b774c6
14da82874d6
157dc3d09c7
hex4ba092b14

20301032212 has 12 divisors (see below), whose sum is σ = 35558281780. Its totient is φ = 10141523136.

The previous prime is 20301032209. The next prime is 20301032267. The reversal of 20301032212 is 21223010302.

It can be written as a sum of positive squares in 2 ways, for example, as 3433256836 + 16867775376 = 58594^2 + 129876^2 .

It is a super-2 number, since 2×203010322122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243163 + ... + 2252194.

Almost surely, 220301032212 is an apocalyptic number.

It is an amenable number.

20301032212 is a deficient number, since it is larger than the sum of its proper divisors (15257249568).

20301032212 is a wasteful number, since it uses less digits than its factorization.

20301032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496490 (or 4496488 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20301032212 its reverse (21223010302), we get a palindrome (41524042514).

The spelling of 20301032212 in words is "twenty billion, three hundred one million, thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 1129 2258 4516 4495357 8990714 17981428 5075258053 10150516106 20301032212