20550535410 has 64 divisors (see below), whose sum is σ = 49726680192. Its totient is φ = 5435229696.

The previous prime is 20550535409. The next prime is 20550535417. The reversal of 20550535410 is 1453505502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (20550535417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2761054 + ... + 2768486.

It is an arithmetic number, because the mean of its divisors is an integer number (776979378).

Almost surely, 2^20550535410 is an apocalyptic number.

20550535410 is an abundant number, since it is smaller than the sum of its proper divisors (29176144782).

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

20550535410 is a wasteful number, since it uses less digits than its factorization.

20550535410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187.

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 20550535410 in words is "twenty billion, five hundred fifty million, five hundred thirty-five thousand, four hundred ten".