20213113330 has 16 divisors (see below), whose sum is σ = 38298530880. Its totient is φ = 7659706032.

The previous prime is 20213113313. The next prime is 20213113331. The reversal of 20213113330 is 3331131202.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 20213113298 and 20213113307.

It is not an unprimeable number, because it can be changed into a prime (20213113331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53192214 + ... + 53192593.

It is an arithmetic number, because the mean of its divisors is an integer number (2393658180).

Almost surely, 2^20213113330 is an apocalyptic number.

20213113330 is a deficient number, since it is larger than the sum of its proper divisors (18085417550).

20213113330 is a wasteful number, since it uses less digits than its factorization.

20213113330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106384833.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20213113330 its reverse (3331131202), we get a palindrome (23544244532).

The spelling of 20213113330 in words is "twenty billion, two hundred thirteen million, one hundred thirteen thousand, three hundred thirty".