20534543150 has 24 divisors (see below), whose sum is σ = 41666455944. Its totient is φ = 7467106400.

The previous prime is 20534543011. The next prime is 20534543153. The reversal of 20534543150 is 5134543502.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20534543153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18667217 + ... + 18668316.

It is an arithmetic number, because the mean of its divisors is an integer number (1736102331).

Almost surely, 2^20534543150 is an apocalyptic number.

20534543150 is an abundant number, since it is smaller than the sum of its proper divisors (21131912794).

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

20534543150 is a wasteful number, since it uses less digits than its factorization.

20534543150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37335556 (or 37335551 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 20534543150 in words is "twenty billion, five hundred thirty-four million, five hundred forty-three thousand, one hundred fifty".