Search a number
-
+
20340013330 = 2571329372563
BaseRepresentation
bin10010111100010110…
…111111100100010010
31221111112022201212001
4102330112333210102
5313124020411310
613202153024214
71320021155260
oct227426774422
957445281761
1020340013330
11869845307a
123b379b506a
131bc1c75360
14dad513430
157e0a3093a
hex4bc5bf912

20340013330 has 192 divisors, whose sum is σ = 47993783040. Its totient is φ = 6036581376.

The previous prime is 20340013321. The next prime is 20340013459. The reversal of 20340013330 is 3331004302.

It is a super-2 number, since 2×203400133302 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20340013298 and 20340013307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36127629 + ... + 36128191.

It is an arithmetic number, because the mean of its divisors is an integer number (249967620).

Almost surely, 220340013330 is an apocalyptic number.

20340013330 is an abundant number, since it is smaller than the sum of its proper divisors (27653769710).

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

20340013330 is a wasteful number, since it uses less digits than its factorization.

20340013330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20340013330 its reverse (3331004302), we get a palindrome (23671017632).

The spelling of 20340013330 in words is "twenty billion, three hundred forty million, thirteen thousand, three hundred thirty".