20322300146 has 4 divisors (see below), whose sum is σ = 30483450222. Its totient is φ = 10161150072.

The previous prime is 20322300143. The next prime is 20322300149. The reversal of 20322300146 is 64100322302.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20322300143) and next prime (20322300149).

It can be written as a sum of positive squares in only one way, i.e., 11483479921 + 8838820225 = 107161^2 + 94015^2 .

It is a super-2 number, since 2×20322300146² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20322300143) by changing a digit.

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 as a sum of consecutive naturals, namely, 5080575035 + ... + 5080575038.

Almost surely, 2^20322300146 is an apocalyptic number.

20322300146 is a deficient number, since it is larger than the sum of its proper divisors (10161150076).

20322300146 is a wasteful number, since it uses less digits than its factorization.

20322300146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161150075.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20322300146 its reverse (64100322302), we get a palindrome (84422622448).

The spelling of 20322300146 in words is "twenty billion, three hundred twenty-two million, three hundred thousand, one hundred forty-six".