20200763749 has 8 divisors (see below), whose sum is σ = 20243664000. Its totient is φ = 20157890592.

The previous prime is 20200763741. The next prime is 20200763777. The reversal of 20200763749 is 94736700202.

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 20200763749 - 2³ = 20200763741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200763741) 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, 2225382 + ... + 2234440.

It is an arithmetic number, because the mean of its divisors is an integer number (2530458000).

Almost surely, 2^20200763749 is an apocalyptic number.

It is an amenable number.

20200763749 is a deficient number, since it is larger than the sum of its proper divisors (42900251).

20200763749 is an equidigital number, since it uses as much as digits as its factorization.

20200763749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13547.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 20200763749 in words is "twenty billion, two hundred million, seven hundred sixty-three thousand, seven hundred forty-nine".