20542432150 has 24 divisors (see below), whose sum is σ = 38252082960. Its totient is φ = 8207691360.

The previous prime is 20542432139. The next prime is 20542432177. The reversal of 20542432150 is 5123424502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187245 + ... + 275944.

It is an arithmetic number, because the mean of its divisors is an integer number (1593836790).

Almost surely, 2^20542432150 is an apocalyptic number.

20542432150 is a deficient number, since it is larger than the sum of its proper divisors (17709650810).

20542432150 is a wasteful number, since it uses less digits than its factorization.

20542432150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464088 (or 464083 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 20542432150 its reverse (5123424502), we get a palindrome (25665856652).

The spelling of 20542432150 in words is "twenty billion, five hundred forty-two million, four hundred thirty-two thousand, one hundred fifty".