20550210024 has 16 divisors (see below), whose sum is σ = 51375525120. Its totient is φ = 6850070000.

The previous prime is 20550210007. The next prime is 20550210091. The reversal of 20550210024 is 42001205502.

It is a happy number.

It is a super-2 number, since 2×20550210024² (a number of 21 digits) contains 22 as substring.

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, 428129352 + ... + 428129399.

It is an arithmetic number, because the mean of its divisors is an integer number (3210970320).

Almost surely, 2^20550210024 is an apocalyptic number.

20550210024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20550210024 is an abundant number, since it is smaller than the sum of its proper divisors (30825315096).

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

20550210024 is a wasteful number, since it uses less digits than its factorization.

20550210024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856258760 (or 856258756 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 20550210024 its reverse (42001205502), we get a palindrome (62551415526).

The spelling of 20550210024 in words is "twenty billion, five hundred fifty million, two hundred ten thousand, twenty-four".