20035051223 has 4 divisors (see below), whose sum is σ = 21856419528. Its totient is φ = 18213682920.

The previous prime is 20035051193. The next prime is 20035051229. The reversal of 20035051223 is 32215053002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20035051223 - 2³⁴ = 2855182039 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 (20035051229) 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, 910684136 + ... + 910684157.

It is an arithmetic number, because the mean of its divisors is an integer number (5464104882).

Almost surely, 2^20035051223 is an apocalyptic number.

20035051223 is a deficient number, since it is larger than the sum of its proper divisors (1821368305).

20035051223 is a wasteful number, since it uses less digits than its factorization.

20035051223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821368304.

The product of its (nonzero) digits is 1800, while the sum is 23.

The spelling of 20035051223 in words is "twenty billion, thirty-five million, fifty-one thousand, two hundred twenty-three".