20211032121330 has 64 divisors (see below), whose sum is σ = 49044929189760. Its totient is φ = 5329867597824.

The previous prime is 20211032121229. The next prime is 20211032121331. The reversal of 20211032121330 is 3312123011202.

It is a junction number, because it is equal to n+sod(n) for n = 20211032121297 and 20211032121306.

It is not an unprimeable number, because it can be changed into a prime (20211032121331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 996661 + ... + 6435479.

It is an arithmetic number, because the mean of its divisors is an integer number (766327018590).

Almost surely, 2^{20211032121330} is an apocalyptic number.

20211032121330 is an abundant number, since it is smaller than the sum of its proper divisors (28833897068430).

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

20211032121330 is a wasteful number, since it uses less digits than its factorization.

20211032121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5440203.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20211032121330 its reverse (3312123011202), we get a palindrome (23523155132532).

The spelling of 20211032121330 in words is "twenty trillion, two hundred eleven billion, thirty-two million, one hundred twenty-one thousand, three hundred thirty".