20051034446 has 4 divisors (see below), whose sum is σ = 30076551672. Its totient is φ = 10025517222.

The previous prime is 20051034407. The next prime is 20051034473. The reversal of 20051034446 is 64443015002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64443015002 = 2 ⋅32221507501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5012758610 + ... + 5012758613.

It is an arithmetic number, because the mean of its divisors is an integer number (7519137918).

Almost surely, 2^20051034446 is an apocalyptic number.

20051034446 is a deficient number, since it is larger than the sum of its proper divisors (10025517226).

20051034446 is a wasteful number, since it uses less digits than its factorization.

20051034446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025517225.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20051034446 its reverse (64443015002), we get a palindrome (84494049448).

The spelling of 20051034446 in words is "twenty billion, fifty-one million, thirty-four thousand, four hundred forty-six".