20649733794602 has 16 divisors (see below), whose sum is σ = 33977161187424. Its totient is φ = 9334384938000.

The previous prime is 20649733794583. The next prime is 20649733794617.

20649733794602 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2592880724 + ... + 2592888687.

It is an arithmetic number, because the mean of its divisors is an integer number (2123572574214).

Almost surely, 2^{20649733794602} is an apocalyptic number.

20649733794602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20649733794602 is a deficient number, since it is larger than the sum of its proper divisors (13327427392822).

20649733794602 is a wasteful number, since it uses less digits than its factorization.

20649733794602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185769605.

The product of its (nonzero) digits is 82301184, while the sum is 62.

The spelling of 20649733794602 in words is "twenty trillion, six hundred forty-nine billion, seven hundred thirty-three million, seven hundred ninety-four thousand, six hundred two".