20935307274 has 16 divisors (see below), whose sum is σ = 47852131008. Its totient is φ = 5981516352.

The previous prime is 20935307257. The next prime is 20935307287. The reversal of 20935307274 is 47270353902.

It is a super-2 number, since 2×20935307274² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 498459697 = 20935307274 / (2 + 0 + 9 + 3 + 5 + 3 + 0 + 7 + 2 + 7 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249229807 + ... + 249229890.

It is an arithmetic number, because the mean of its divisors is an integer number (2990758188).

Almost surely, 2^20935307274 is an apocalyptic number.

20935307274 is an abundant number, since it is smaller than the sum of its proper divisors (26916823734).

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

20935307274 is a wasteful number, since it uses less digits than its factorization.

20935307274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498459709.

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 20935307274 in words is "twenty billion, nine hundred thirty-five million, three hundred seven thousand, two hundred seventy-four".