20020220693 has 16 divisors (see below), whose sum is σ = 22017956352. Its totient is φ = 18052470000.

The previous prime is 20020220681. The next prime is 20020220711. The reversal of 20020220693 is 39602202002.

It is a cyclic number.

It is not a de Polignac number, because 20020220693 - 2⁴ = 20020220677 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 (20020226693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139030 + ... + 1156472.

It is an arithmetic number, because the mean of its divisors is an integer number (1376122272).

Almost surely, 2^20020220693 is an apocalyptic number.

It is an amenable number.

20020220693 is a deficient number, since it is larger than the sum of its proper divisors (1997735659).

20020220693 is a wasteful number, since it uses less digits than its factorization.

20020220693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18296.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20020220693 its reverse (39602202002), we get a palindrome (59622422695).

The spelling of 20020220693 in words is "twenty billion, twenty million, two hundred twenty thousand, six hundred ninety-three".