20958005379 has 8 divisors (see below), whose sum is σ = 27944811792. Its totient is φ = 13971601280.

The previous prime is 20958005377. The next prime is 20958005437. The reversal of 20958005379 is 97350085902.

It is a happy number.

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 20958005379 - 2¹ = 20958005377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20958005371) 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, 55639 + ... + 212159.

It is an arithmetic number, because the mean of its divisors is an integer number (3493101474).

Almost surely, 2^20958005379 is an apocalyptic number.

20958005379 is a deficient number, since it is larger than the sum of its proper divisors (6986806413).

20958005379 is a wasteful number, since it uses less digits than its factorization.

20958005379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201157.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 20958005379 in words is "twenty billion, nine hundred fifty-eight million, five thousand, three hundred seventy-nine".