20533242150 has 192 divisors, whose sum is σ = 58753382400. Its totient is φ = 5267376000.

The previous prime is 20533242143. The next prime is 20533242211. The reversal of 20533242150 is 5124233502.

It is a happy number.

20533242150 is a `hidden beast` number, since 205 + 3 + 32 + 421 + 5 + 0 = 666.

It is a super-2 number, since 2×20533242150² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7489780 + ... + 7492520.

It is an arithmetic number, because the mean of its divisors is an integer number (306007200).

Almost surely, 2^20533242150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20533242150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29376691200).

20533242150 is an abundant number, since it is smaller than the sum of its proper divisors (38220140250).

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

20533242150 is a wasteful number, since it uses less digits than its factorization.

20533242150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972 (or 2961 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20533242150 its reverse (5124233502), we get a palindrome (25657475652).

The spelling of 20533242150 in words is "twenty billion, five hundred thirty-three million, two hundred forty-two thousand, one hundred fifty".