Search a number
-
+
20321401202 = 212917870411
BaseRepresentation
bin10010111011001111…
…111111100101110010
31221110020022010210222
4102323033333211302
5313104234314302
613200250053042
71316404026434
oct227317774562
957406263728
1020321401202
1186889a0553
123b3171a182
131bbb15986b
14daac6a654
157de0a5da2
hex4bb3ff972

20321401202 has 8 divisors (see below), whose sum is σ = 30505716912. Its totient is φ = 10152828900.

The previous prime is 20321401193. The next prime is 20321401223. The reversal of 20321401202 is 20210412302.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3932624 + ... + 3937787.

It is an arithmetic number, because the mean of its divisors is an integer number (3813214614).

Almost surely, 220321401202 is an apocalyptic number.

20321401202 is a deficient number, since it is larger than the sum of its proper divisors (10184315710).

20321401202 is a wasteful number, since it uses less digits than its factorization.

20321401202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7871704.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20321401202 its reverse (20210412302), we get a palindrome (40531813504).

The spelling of 20321401202 in words is "twenty billion, three hundred twenty-one million, four hundred one thousand, two hundred two".

Divisors: 1 2 1291 2582 7870411 15740822 10160700601 20321401202