20901314952 has 384 divisors, whose sum is σ = 74200320000. Its totient is φ = 5410323072.

The previous prime is 20901314923. The next prime is 20901314969. The reversal of 20901314952 is 25941310902.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 4622949 + ... + 4627467.

It is an arithmetic number, because the mean of its divisors is an integer number (193230000).

Almost surely, 2^20901314952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20901314952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37100160000).

20901314952 is an abundant number, since it is smaller than the sum of its proper divisors (53299005048).

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

20901314952 is a wasteful number, since it uses less digits than its factorization.

20901314952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590 (or 4573 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 20901314952 in words is "twenty billion, nine hundred one million, three hundred fourteen thousand, nine hundred fifty-two".