20501045300 has 18 divisors (see below), whose sum is σ = 44487268518. Its totient is φ = 8200418080.

The previous prime is 20501045287. The next prime is 20501045311. The reversal of 20501045300 is 354010502.

It can be written as a sum of positive squares in 3 ways, for example, as 7280184976 + 13220860324 = 85324^2 + 114982^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102505127 + ... + 102505326.

Almost surely, 2^20501045300 is an apocalyptic number.

20501045300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20501045300 is an abundant number, since it is smaller than the sum of its proper divisors (23986223218).

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

20501045300 is a wasteful number, since it uses less digits than its factorization.

20501045300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205010467 (or 205010460 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 20501045300 its reverse (354010502), we get a palindrome (20855055802).

The spelling of 20501045300 in words is "twenty billion, five hundred one million, forty-five thousand, three hundred".