20754645702 has 48 divisors (see below), whose sum is σ = 49951384560. Its totient is φ = 5725417152.

The previous prime is 20754645683. The next prime is 20754645733.

20754645702 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1208613 + ... + 1225664.

It is an arithmetic number, because the mean of its divisors is an integer number (1040653845).

Almost surely, 2^20754645702 is an apocalyptic number.

20754645702 is an abundant number, since it is smaller than the sum of its proper divisors (29196738858).

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

20754645702 is a wasteful number, since it uses less digits than its factorization.

20754645702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434325 (or 2434318 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 42.

The spelling of 20754645702 in words is "twenty billion, seven hundred fifty-four million, six hundred forty-five thousand, seven hundred two".