20942583013 has 8 divisors (see below), whose sum is σ = 23220986976. Its totient is φ = 18726601200.

The previous prime is 20942582981. The next prime is 20942583019. The reversal of 20942583013 is 31038524902.

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 20942583013 - 2⁵ = 20942582981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20942583019) 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, 15604831 + ... + 15606172.

It is an arithmetic number, because the mean of its divisors is an integer number (2902623372).

Almost surely, 2^20942583013 is an apocalyptic number.

It is an amenable number.

20942583013 is a deficient number, since it is larger than the sum of its proper divisors (2278403963).

20942583013 is a wasteful number, since it uses less digits than its factorization.

20942583013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31211075.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 20942583013 in words is "twenty billion, nine hundred forty-two million, five hundred eighty-three thousand, thirteen".