20494672702 has 64 divisors (see below), whose sum is σ = 36591243264. Its totient is φ = 8427847680.

The previous prime is 20494672691. The next prime is 20494672703. The reversal of 20494672702 is 20727649402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20494672703) 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 31 ways as a sum of consecutive naturals, for example, 9015438 + ... + 9017710.

It is an arithmetic number, because the mean of its divisors is an integer number (571738176).

Almost surely, 2^20494672702 is an apocalyptic number.

20494672702 is a deficient number, since it is larger than the sum of its proper divisors (16096570562).

20494672702 is a wasteful number, since it uses less digits than its factorization.

20494672702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 20494672702 in words is "twenty billion, four hundred ninety-four million, six hundred seventy-two thousand, seven hundred two".