20359770602 has 4 divisors (see below), whose sum is σ = 30539655906. Its totient is φ = 10179885300.

The previous prime is 20359770589. The next prime is 20359770619. The reversal of 20359770602 is 20607795302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20607795302 = 2 ⋅10303897651.

It can be written as a sum of positive squares in only one way, i.e., 20343602161 + 16168441 = 142631^2 + 4021^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20359770602.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5089942649 + ... + 5089942652.

Almost surely, 2^20359770602 is an apocalyptic number.

20359770602 is a deficient number, since it is larger than the sum of its proper divisors (10179885304).

20359770602 is a wasteful number, since it uses less digits than its factorization.

20359770602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10179885303.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 20359770602 in words is "twenty billion, three hundred fifty-nine million, seven hundred seventy thousand, six hundred two".