20152473600 has 288 divisors, whose sum is σ = 76142626560. Its totient is φ = 4606033920.

The previous prime is 20152473589. The next prime is 20152473617. The reversal of 20152473600 is 637425102.

It is a super-2 number, since 2×20152473600² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1065829 + ... + 1084571.

It is an arithmetic number, because the mean of its divisors is an integer number (264384120).

Almost surely, 2^20152473600 is an apocalyptic number.

20152473600 is a gapful number since it is divisible by the number (20) 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 20152473600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38071313280).

20152473600 is an abundant number, since it is smaller than the sum of its proper divisors (55990152960).

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

20152473600 is a wasteful number, since it uses less digits than its factorization.

20152473600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18785 (or 18760 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 20152473600 its reverse (637425102), we get a palindrome (20789898702).

The spelling of 20152473600 in words is "twenty billion, one hundred fifty-two million, four hundred seventy-three thousand, six hundred".