20203021213032 has 96 divisors (see below), whose sum is σ = 60186700969920. Its totient is φ = 5631504157440.

The previous prime is 20203021212931. The next prime is 20203021213033. The reversal of 20203021213032 is 23031212030202.

It is a happy number.

It is a super-2 number, since 2×20203021213032² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20203021213033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209457148 + ... + 209553579.

It is an arithmetic number, because the mean of its divisors is an integer number (626944801770).

Almost surely, 2^{20203021213032} is an apocalyptic number.

It is an amenable number.

20203021213032 is an abundant number, since it is smaller than the sum of its proper divisors (39983679756888).

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

20203021213032 is a wasteful number, since it uses less digits than its factorization.

20203021213032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419010791 (or 419010780 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20203021213032 its reverse (23031212030202), we get a palindrome (43234233243234).

The spelling of 20203021213032 in words is "twenty trillion, two hundred three billion, twenty-one million, two hundred thirteen thousand, thirty-two".