20150211052000 has 192 divisors, whose sum is σ = 49746678508800. Its totient is φ = 8021432524800.

The previous prime is 20150211051961. The next prime is 20150211052009. The reversal of 20150211052000 is 25011205102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150211052009) 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 31 ways as a sum of consecutive naturals, for example, 3736361304 + ... + 3736366696.

It is an arithmetic number, because the mean of its divisors is an integer number (259097283900).

Almost surely, 2^{20150211052000} is an apocalyptic number.

20150211052000 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 20150211052000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24873339254400).

20150211052000 is an abundant number, since it is smaller than the sum of its proper divisors (29596467456800).

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

20150211052000 is a wasteful number, since it uses less digits than its factorization.

20150211052000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9726 (or 9708 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 20150211052000 its reverse (25011205102), we get a palindrome (20175222257102).

The spelling of 20150211052000 in words is "twenty trillion, one hundred fifty billion, two hundred eleven million, fifty-two thousand".