20544330102 has 64 divisors (see below), whose sum is σ = 45195107328. Its totient is φ = 6199424000.

The previous prime is 20544330097. The next prime is 20544330113. The reversal of 20544330102 is 20103344502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262327 + ... + 331517.

It is an arithmetic number, because the mean of its divisors is an integer number (706173552).

Almost surely, 2^20544330102 is an apocalyptic number.

20544330102 is an abundant number, since it is smaller than the sum of its proper divisors (24650777226).

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

20544330102 is a wasteful number, since it uses less digits than its factorization.

20544330102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69325.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20544330102 its reverse (20103344502), we get a palindrome (40647674604).

The spelling of 20544330102 in words is "twenty billion, five hundred forty-four million, three hundred thirty thousand, one hundred two".