20387393322 has 16 divisors (see below), whose sum is σ = 41642335872. Its totient is φ = 6651206240.

The previous prime is 20387393303. The next prime is 20387393329. The reversal of 20387393322 is 22339378302.

It is not an unprimeable number, because it can be changed into a prime (20387393329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36147579 + ... + 36148142.

It is an arithmetic number, because the mean of its divisors is an integer number (2602645992).

Almost surely, 2^20387393322 is an apocalyptic number.

20387393322 is an abundant number, since it is smaller than the sum of its proper divisors (21254942550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20387393322 is a wasteful number, since it uses less digits than its factorization.

20387393322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72295773.

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 20387393322 in words is "twenty billion, three hundred eighty-seven million, three hundred ninety-three thousand, three hundred twenty-two".