20050690548 has 96 divisors (see below), whose sum is σ = 54681661440. Its totient is φ = 5599601280.

The previous prime is 20050690523. The next prime is 20050690577. The reversal of 20050690548 is 84509605002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1198183 + ... + 1214801.

It is an arithmetic number, because the mean of its divisors is an integer number (569600640).

Almost surely, 2^20050690548 is an apocalyptic number.

20050690548 is a gapful number since it is divisible by the number (28) 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 20050690548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27340830720).

20050690548 is an abundant number, since it is smaller than the sum of its proper divisors (34630970892).

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

20050690548 is a wasteful number, since it uses less digits than its factorization.

20050690548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16957 (or 16955 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 20050690548 in words is "twenty billion, fifty million, six hundred ninety thousand, five hundred forty-eight".