20248988501 has 8 divisors (see below), whose sum is σ = 23143001280. Its totient is φ = 17355300768.

The previous prime is 20248988479. The next prime is 20248988519. The reversal of 20248988501 is 10588984202.

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 20248988501 - 2⁶ = 20248988437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20248988581) 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, 71345 + ... + 213513.

It is an arithmetic number, because the mean of its divisors is an integer number (2892875160).

Almost surely, 2^20248988501 is an apocalyptic number.

It is an amenable number.

20248988501 is a deficient number, since it is larger than the sum of its proper divisors (2894012779).

20248988501 is a wasteful number, since it uses less digits than its factorization.

20248988501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162523.

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 20248988501 in words is "twenty billion, two hundred forty-eight million, nine hundred eighty-eight thousand, five hundred one".