20093597990 has 8 divisors (see below), whose sum is σ = 36168476400. Its totient is φ = 8037439192.

The previous prime is 20093597971. The next prime is 20093597999. The reversal of 20093597990 is 9979539002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20093597999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004679890 + ... + 1004679909.

It is an arithmetic number, because the mean of its divisors is an integer number (4521059550).

Almost surely, 2^20093597990 is an apocalyptic number.

20093597990 is a deficient number, since it is larger than the sum of its proper divisors (16074878410).

20093597990 is a wasteful number, since it uses less digits than its factorization.

20093597990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009359806.

The product of its (nonzero) digits is 1377810, while the sum is 53.

The spelling of 20093597990 in words is "twenty billion, ninety-three million, five hundred ninety-seven thousand, nine hundred ninety".