20530596902 has 8 divisors (see below), whose sum is σ = 30980302416. Its totient is φ = 10203829432.

The previous prime is 20530596901. The next prime is 20530596923. The reversal of 20530596902 is 20969503502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20530596902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20530596901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30734093 + ... + 30734760.

It is an arithmetic number, because the mean of its divisors is an integer number (3872537802).

Almost surely, 2^20530596902 is an apocalyptic number.

20530596902 is a deficient number, since it is larger than the sum of its proper divisors (10449705514).

20530596902 is a wasteful number, since it uses less digits than its factorization.

20530596902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61469022.

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 20530596902 in words is "twenty billion, five hundred thirty million, five hundred ninety-six thousand, nine hundred two".