20020220612 has 24 divisors (see below), whose sum is σ = 42395762304. Its totient is φ = 8075382912.

The previous prime is 20020220531. The next prime is 20020220677. The reversal of 20020220612 is 21602202002.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21029168 + ... + 21030119.

It is an arithmetic number, because the mean of its divisors is an integer number (1766490096).

Almost surely, 2^20020220612 is an apocalyptic number.

It is an amenable number.

20020220612 is an abundant number, since it is smaller than the sum of its proper divisors (22375541692).

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

20020220612 is a wasteful number, since it uses less digits than its factorization.

20020220612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42059315 (or 42059313 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20020220612 its reverse (21602202002), we get a palindrome (41622422614).

The spelling of 20020220612 in words is "twenty billion, twenty million, two hundred twenty thousand, six hundred twelve".