20746238702 has 16 divisors (see below), whose sum is σ = 36432420192. Its totient is φ = 8674385280.

The previous prime is 20746238701. The next prime is 20746238771. The reversal of 20746238702 is 20783264702.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 20746238702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20746238701) by changing a digit.

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, 18071063 + ... + 18072210.

It is an arithmetic number, because the mean of its divisors is an integer number (2277026262).

Almost surely, 2^20746238702 is an apocalyptic number.

20746238702 is a deficient number, since it is larger than the sum of its proper divisors (15686181490).

20746238702 is a wasteful number, since it uses less digits than its factorization.

20746238702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36143323.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 20746238702 in words is "twenty billion, seven hundred forty-six million, two hundred thirty-eight thousand, seven hundred two".