20220020346 has 32 divisors (see below), whose sum is σ = 40892765760. Its totient is φ = 6664674816.

The previous prime is 20220020287. The next prime is 20220020347. The reversal of 20220020346 is 64302002202.

It is not an unprimeable number, because it can be changed into a prime (20220020347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676200 + ... + 705468.

It is an arithmetic number, because the mean of its divisors is an integer number (1277898930).

Almost surely, 2^20220020346 is an apocalyptic number.

20220020346 is an abundant number, since it is smaller than the sum of its proper divisors (20672745414).

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

20220020346 is a wasteful number, since it uses less digits than its factorization.

20220020346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30558.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20220020346 its reverse (64302002202), we get a palindrome (84522022548).

The spelling of 20220020346 in words is "twenty billion, two hundred twenty million, twenty thousand, three hundred forty-six".