20201002012 has 12 divisors (see below), whose sum is σ = 37431268560. Its totient is φ = 9506353856.

The previous prime is 20201001983. The next prime is 20201002013. The reversal of 20201002012 is 21020010202.

It is a self number, because there is not a number n which added to its sum of digits gives 20201002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201002013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148536712 + ... + 148536847.

It is an arithmetic number, because the mean of its divisors is an integer number (3119272380).

Almost surely, 2^20201002012 is an apocalyptic number.

It is an amenable number.

20201002012 is a deficient number, since it is larger than the sum of its proper divisors (17230266548).

20201002012 is a wasteful number, since it uses less digits than its factorization.

20201002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297073580 (or 297073578 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20201002012 its reverse (21020010202), we get a palindrome (41221012214).

The spelling of 20201002012 in words is "twenty billion, two hundred one million, two thousand, twelve".