20550532534 has 8 divisors (see below), whose sum is σ = 35229484368. Its totient is φ = 8807371080.

The previous prime is 20550532529. The next prime is 20550532553. The reversal of 20550532534 is 43523505502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20550532534² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20550532534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733947577 + ... + 733947604.

It is an arithmetic number, because the mean of its divisors is an integer number (4403685546).

Almost surely, 2^20550532534 is an apocalyptic number.

20550532534 is a deficient number, since it is larger than the sum of its proper divisors (14678951834).

20550532534 is a wasteful number, since it uses less digits than its factorization.

20550532534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467895190.

The product of its (nonzero) digits is 90000, while the sum is 34.

The spelling of 20550532534 in words is "twenty billion, five hundred fifty million, five hundred thirty-two thousand, five hundred thirty-four".