20625652623030 has 256 divisors, whose sum is σ = 64399955558400. Its totient is φ = 4105492231680.

The previous prime is 20625652623013. The next prime is 20625652623071. The reversal of 20625652623030 is 3032625652602.

It is a happy number.

It is a super-3 number, since 3×20625652623030³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 127 ways as a sum of consecutive naturals, for example, 11565045 + ... + 13228815.

It is an arithmetic number, because the mean of its divisors is an integer number (251562326400).

Almost surely, 2^{20625652623030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20625652623030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32199977779200).

20625652623030 is an abundant number, since it is smaller than the sum of its proper divisors (43774302935370).

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

20625652623030 is a wasteful number, since it uses less digits than its factorization.

20625652623030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664059.

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 20625652623030 in words is "twenty trillion, six hundred twenty-five billion, six hundred fifty-two million, six hundred twenty-three thousand, thirty".