20367420500 has 192 divisors, whose sum is σ = 53869670400. Its totient is φ = 6571497600.

The previous prime is 20367420461. The next prime is 20367420523. The reversal of 20367420500 is 502476302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10838561 + ... + 10840439.

It is an arithmetic number, because the mean of its divisors is an integer number (280571200).

Almost surely, 2^20367420500 is an apocalyptic number.

20367420500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20367420500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26934835200).

20367420500 is an abundant number, since it is smaller than the sum of its proper divisors (33502249900).

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

20367420500 is a wasteful number, since it uses less digits than its factorization.

20367420500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 20367420500 its reverse (502476302), we get a palindrome (20869896802).

The spelling of 20367420500 in words is "twenty billion, three hundred sixty-seven million, four hundred twenty thousand, five hundred".