20020220012 has 12 divisors (see below), whose sum is σ = 37730414736. Its totient is φ = 9240101520.

The previous prime is 20020219931. The next prime is 20020220023. The reversal of 20020220012 is 21002202002.

It is a junction number, because it is equal to n+sod(n) for n = 20020219975 and 20020220002.

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, 192502064 + ... + 192502167.

It is an arithmetic number, because the mean of its divisors is an integer number (3144201228).

Almost surely, 2^20020220012 is an apocalyptic number.

It is an amenable number.

20020220012 is a deficient number, since it is larger than the sum of its proper divisors (17710194724).

20020220012 is a wasteful number, since it uses less digits than its factorization.

20020220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385004248 (or 385004246 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20020220012 its reverse (21002202002), we get a palindrome (41022422014).

The spelling of 20020220012 in words is "twenty billion, twenty million, two hundred twenty thousand, twelve".