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20223032020 = 2251011151601
BaseRepresentation
bin10010110101011000…
…101111101011010100
31221012101012110122221
4102311120233223110
5312404044011040
613142413432124
71314100636012
oct226530575324
957171173587
1020223032020
118638413304
123b0479b644
131ba3967449
14d9bb818b2
157d562474a
hex4b562fad4

20223032020 has 12 divisors (see below), whose sum is σ = 42468367284. Its totient is φ = 8089212800.

The previous prime is 20223032009. The next prime is 20223032041. The reversal of 20223032020 is 2023032202.

It can be written as a sum of positive squares in 2 ways, for example, as 9785957776 + 10437074244 = 98924^2 + 102162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20223031985 and 20223032003.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 505575781 + ... + 505575820.

It is an arithmetic number, because the mean of its divisors is an integer number (3539030607).

Almost surely, 220223032020 is an apocalyptic number.

20223032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223032020 is an abundant number, since it is smaller than the sum of its proper divisors (22245335264).

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

20223032020 is a wasteful number, since it uses less digits than its factorization.

20223032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011151610 (or 1011151608 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20223032020 its reverse (2023032202), we get a palindrome (22246064222).

The spelling of 20223032020 in words is "twenty billion, two hundred twenty-three million, thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 1011151601 2022303202 4044606404 5055758005 10111516010 20223032020