20011254032 has 80 divisors (see below), whose sum is σ = 48368844672. Its totient is φ = 7791759360.

The previous prime is 20011254019. The next prime is 20011254059. The reversal of 20011254032 is 23045211002.

It is a junction number, because it is equal to n+sod(n) for n = 20011253995 and 20011254013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2480918 + ... + 2488970.

Almost surely, 2^20011254032 is an apocalyptic number.

20011254032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20011254032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24184422336).

20011254032 is an abundant number, since it is smaller than the sum of its proper divisors (28357590640).

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

20011254032 is a wasteful number, since it uses less digits than its factorization.

20011254032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096 (or 10090 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20011254032 its reverse (23045211002), we get a palindrome (43056465034).

The spelling of 20011254032 in words is "twenty billion, eleven million, two hundred fifty-four thousand, thirty-two".