20284038386 has 8 divisors (see below), whose sum is σ = 30428006400. Its totient is φ = 10141369588.

The previous prime is 20284038329. The next prime is 20284038409. The reversal of 20284038386 is 68383048202.

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

It is a super-2 number, since 2×20284038386² (a number of 21 digits) contains 22 as substring.

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, 284786 + ... + 348813.

It is an arithmetic number, because the mean of its divisors is an integer number (3803500800).

Almost surely, 2^20284038386 is an apocalyptic number.

20284038386 is a deficient number, since it is larger than the sum of its proper divisors (10143968014).

20284038386 is a wasteful number, since it uses less digits than its factorization.

20284038386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649608.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 20284038386 in words is "twenty billion, two hundred eighty-four million, thirty-eight thousand, three hundred eighty-six".