20242851285 has 8 divisors (see below), whose sum is σ = 32388562080. Its totient is φ = 10796187344.

The previous prime is 20242851257. The next prime is 20242851347. The reversal of 20242851285 is 58215824202.

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

It is a cyclic number.

It is not a de Polignac number, because 20242851285 - 2⁶ = 20242851221 is a prime.

It is a Curzon number.

It is a congruent number.

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, 674761695 + ... + 674761724.

It is an arithmetic number, because the mean of its divisors is an integer number (4048570260).

Almost surely, 2^20242851285 is an apocalyptic number.

It is an amenable number.

20242851285 is a deficient number, since it is larger than the sum of its proper divisors (12145710795).

20242851285 is a wasteful number, since it uses less digits than its factorization.

20242851285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349523427.

The product of its (nonzero) digits is 102400, while the sum is 39.

The spelling of 20242851285 in words is "twenty billion, two hundred forty-two million, eight hundred fifty-one thousand, two hundred eighty-five".