20975852402 has 8 divisors (see below), whose sum is σ = 31464739200. Its totient is φ = 10487606004.

The previous prime is 20975852399. The next prime is 20975852467. The reversal of 20975852402 is 20425857902.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67502 + ... + 215657.

It is an arithmetic number, because the mean of its divisors is an integer number (3933092400).

Almost surely, 2^20975852402 is an apocalyptic number.

20975852402 is a deficient number, since it is larger than the sum of its proper divisors (10488886798).

20975852402 is a wasteful number, since it uses less digits than its factorization.

20975852402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320200.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 20975852402 in words is "twenty billion, nine hundred seventy-five million, eight hundred fifty-two thousand, four hundred two".