20303021102 has 32 divisors (see below), whose sum is σ = 39455270400. Its totient is φ = 7609228128.

The previous prime is 20303021051. The next prime is 20303021107. The reversal of 20303021102 is 20112030302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303021107) 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, 2932202 + ... + 2939117.

It is an arithmetic number, because the mean of its divisors is an integer number (1232977200).

Almost surely, 2^20303021102 is an apocalyptic number.

20303021102 is a deficient number, since it is larger than the sum of its proper divisors (19152249298).

20303021102 is a wasteful number, since it uses less digits than its factorization.

20303021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5871360.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20303021102 its reverse (20112030302), we get a palindrome (40415051404).

The spelling of 20303021102 in words is "twenty billion, three hundred three million, twenty-one thousand, one hundred two".