20293738401 has 4 divisors (see below), whose sum is σ = 27058317872. Its totient is φ = 13529158932.

The previous prime is 20293738397. The next prime is 20293738411. The reversal of 20293738401 is 10483739202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20293738401 - 2² = 20293738397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20293738401.

It is not an unprimeable number, because it can be changed into a prime (20293738411) 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, 3382289731 + ... + 3382289736.

It is an arithmetic number, because the mean of its divisors is an integer number (6764579468).

Almost surely, 2^20293738401 is an apocalyptic number.

It is an amenable number.

20293738401 is a deficient number, since it is larger than the sum of its proper divisors (6764579471).

20293738401 is an equidigital number, since it uses as much as digits as its factorization.

20293738401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764579470.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 20293738401 in words is "twenty billion, two hundred ninety-three million, seven hundred thirty-eight thousand, four hundred one".