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20303331322 = 2131419184949
BaseRepresentation
bin10010111010001011…
…000011111111111010
31221101222022002121011
4102322023003333322
5313040123100242
613154402504134
71316064316531
oct227213037772
957358262534
1020303331322
11867977936a
123b2766504a
131bb74a0b21
14da86c5318
157dc6d6d17
hex4ba2c3ffa

20303331322 has 16 divisors (see below), whose sum is σ = 30760884000. Its totient is φ = 10050074320.

The previous prime is 20303331287. The next prime is 20303331341. The reversal of 20303331322 is 22313330302.

It is a junction number, because it is equal to n+sod(n) for n = 20303331293 and 20303331302.

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, 17304 + ... + 202252.

It is an arithmetic number, because the mean of its divisors is an integer number (1922555250).

Almost surely, 220303331322 is an apocalyptic number.

20303331322 is a deficient number, since it is larger than the sum of its proper divisors (10457552678).

20303331322 is a wasteful number, since it uses less digits than its factorization.

20303331322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185501.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20303331322 its reverse (22313330302), we get a palindrome (42616661624).

The spelling of 20303331322 in words is "twenty billion, three hundred three million, three hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 131 262 419 838 54889 109778 184949 369898 24228319 48456638 77493631 154987262 10151665661 20303331322