20544305302 has 16 divisors (see below), whose sum is σ = 31034644992. Its totient is φ = 10199485800.

The previous prime is 20544305293. The next prime is 20544305339. The reversal of 20544305302 is 20350344502.

It is a super-2 number, since 2×20544305302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705393 + ... + 733939.

It is an arithmetic number, because the mean of its divisors is an integer number (1939665312).

Almost surely, 2^20544305302 is an apocalyptic number.

20544305302 is a deficient number, since it is larger than the sum of its proper divisors (10490339690).

20544305302 is a wasteful number, since it uses less digits than its factorization.

20544305302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31083.

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 20544305302 its reverse (20350344502), we get a palindrome (40894649804).

The spelling of 20544305302 in words is "twenty billion, five hundred forty-four million, three hundred five thousand, three hundred two".