20070220369 has 4 divisors (see below), whose sum is σ = 20085767920. Its totient is φ = 20054672820.

The previous prime is 20070220351. The next prime is 20070220381. The reversal of 20070220369 is 96302207002.

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 a cyclic number.

It is not a de Polignac number, because 20070220369 - 2⁷ = 20070220241 is a prime.

It is a super-2 number, since 2×20070220369² (a number of 21 digits) contains 22 as substring.

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 20070220369.

It is not an unprimeable number, because it can be changed into a prime (20070220399) 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, 7771839 + ... + 7774420.

It is an arithmetic number, because the mean of its divisors is an integer number (5021441980).

Almost surely, 2^20070220369 is an apocalyptic number.

It is an amenable number.

20070220369 is a deficient number, since it is larger than the sum of its proper divisors (15547551).

20070220369 is a wasteful number, since it uses less digits than its factorization.

20070220369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15547550.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 20070220369 in words is "twenty billion, seventy million, two hundred twenty thousand, three hundred sixty-nine".