2020063921 has 8 divisors (see below), whose sum is σ = 2027410560. Its totient is φ = 2012727552.

The previous prime is 2020063841. The next prime is 2020063931. The reversal of 2020063921 is 1293600202.

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 2020063921 - 2²⁹ = 1483193009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020063931) 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, 757236 + ... + 759898.

It is an arithmetic number, because the mean of its divisors is an integer number (253426320).

Almost surely, 2^2020063921 is an apocalyptic number.

It is an amenable number.

2020063921 is a deficient number, since it is larger than the sum of its proper divisors (7346639).

2020063921 is a wasteful number, since it uses less digits than its factorization.

2020063921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2020063921 is about 44945.1212146547. The cubic root of 2020063921 is about 1264.1201985469.

The spelling of 2020063921 in words is "two billion, twenty million, sixty-three thousand, nine hundred twenty-one".