20200320012 has 48 divisors (see below), whose sum is σ = 49406620032. Its totient is φ = 6416430720.

The previous prime is 20200319983. The next prime is 20200320017. The reversal of 20200320012 is 21002300202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20200320012.

It is not an unprimeable number, because it can be changed into a prime (20200320017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456258 + ... + 498569.

It is an arithmetic number, because the mean of its divisors is an integer number (1029304584).

Almost surely, 2^20200320012 is an apocalyptic number.

It is an amenable number.

20200320012 is an abundant number, since it is smaller than the sum of its proper divisors (29206300020).

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

20200320012 is a wasteful number, since it uses less digits than its factorization.

20200320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954918 (or 954916 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20200320012 its reverse (21002300202), we get a palindrome (41202620214).

The spelling of 20200320012 in words is "twenty billion, two hundred million, three hundred twenty thousand, twelve".