20148266358 has 72 divisors (see below), whose sum is σ = 48046143600. Its totient is φ = 6097623840.

The previous prime is 20148266353. The next prime is 20148266381. The reversal of 20148266358 is 85366284102.

20148266358 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 8 + 2 + 6 + 635 + 8 = 666.

20148266358 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×20148266358³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20148266353) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1799983 + ... + 1811141.

It is an arithmetic number, because the mean of its divisors is an integer number (667307550).

Almost surely, 2^20148266358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20148266358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24023071800).

20148266358 is an abundant number, since it is smaller than the sum of its proper divisors (27897877242).

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

20148266358 is a wasteful number, since it uses less digits than its factorization.

20148266358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12018 (or 12004 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 20148266358 in words is "twenty billion, one hundred forty-eight million, two hundred sixty-six thousand, three hundred fifty-eight".