Search a number
-
+
20233020020 = 2251011651001
BaseRepresentation
bin10010110101111110…
…110110001001110100
31221020001222220121212
4102311332312021310
5312414123120040
613143411500552
71314251555363
oct226576661164
957201886555
1020233020020
118643015454
123b07bb7758
131ba5a536c5
14d9d2217da
157d6448d65
hex4b5fb6274

20233020020 has 12 divisors (see below), whose sum is σ = 42489342084. Its totient is φ = 8093208000.

The previous prime is 20233020019. The next prime is 20233020047. The reversal of 20233020020 is 2002033202.

It can be written as a sum of positive squares in 2 ways, for example, as 11269096336 + 8963923684 = 106156^2 + 94678^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20233019977 and 20233020004.

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, 505825481 + ... + 505825520.

It is an arithmetic number, because the mean of its divisors is an integer number (3540778507).

Almost surely, 220233020020 is an apocalyptic number.

20233020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20233020020 is an abundant number, since it is smaller than the sum of its proper divisors (22256322064).

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

20233020020 is a wasteful number, since it uses less digits than its factorization.

20233020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011651010 (or 1011651008 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 20233020020 its reverse (2002033202), we get a palindrome (22235053222).

The spelling of 20233020020 in words is "twenty billion, two hundred thirty-three million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 1011651001 2023302002 4046604004 5058255005 10116510010 20233020020