Search a number
-
+
20323213302 = 237483886031
BaseRepresentation
bin10010111011010110…
…111001111111110110
31221110100201012112210
4102323112321333312
5313110220311202
613200352554250
71316425314510
oct227326717766
957410635483
1020323213302
118689a18a57
123b32252986
131bbb642602
14dab1bcbb0
157de312c6c
hex4bb5b9ff6

20323213302 has 16 divisors (see below), whose sum is σ = 46453059072. Its totient is φ = 5806632360.

The previous prime is 20323213283. The next prime is 20323213303. The reversal of 20323213302 is 20331232302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323213303) 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, 241942974 + ... + 241943057.

It is an arithmetic number, because the mean of its divisors is an integer number (2903316192).

Almost surely, 220323213302 is an apocalyptic number.

20323213302 is an abundant number, since it is smaller than the sum of its proper divisors (26129845770).

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

20323213302 is a wasteful number, since it uses less digits than its factorization.

20323213302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483886043.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20323213302 its reverse (20331232302), we get a palindrome (40654445604).

The spelling of 20323213302 in words is "twenty billion, three hundred twenty-three million, two hundred thirteen thousand, three hundred two".

Divisors: 1 2 3 6 7 14 21 42 483886031 967772062 1451658093 2903316186 3387202217 6774404434 10161606651 20323213302