20153154032 has 60 divisors (see below), whose sum is σ = 42971390280. Its totient is φ = 9149374080.

The previous prime is 20153154031. The next prime is 20153154053. The reversal of 20153154032 is 23045135102.

It is a happy number.

It is a super-2 number, since 2×20153154032² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20153153992 and 20153154010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20153154031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1703594 + ... + 1715382.

It is an arithmetic number, because the mean of its divisors is an integer number (716189838).

Almost surely, 2^20153154032 is an apocalyptic number.

20153154032 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 20153154032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21485695140).

20153154032 is an abundant number, since it is smaller than the sum of its proper divisors (22818236248).

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

20153154032 is a wasteful number, since it uses less digits than its factorization.

20153154032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12702 (or 12685 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 20153154032 its reverse (23045135102), we get a palindrome (43198289134).

The spelling of 20153154032 in words is "twenty billion, one hundred fifty-three million, one hundred fifty-four thousand, thirty-two".