20203012454 has 8 divisors (see below), whose sum is σ = 30307501128. Its totient is φ = 10100512080.

The previous prime is 20203012447. The next prime is 20203012477. The reversal of 20203012454 is 45421030202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471407 + ... + 512474.

It is an arithmetic number, because the mean of its divisors is an integer number (3788437641).

Almost surely, 2^20203012454 is an apocalyptic number.

20203012454 is a deficient number, since it is larger than the sum of its proper divisors (10104488674).

20203012454 is a wasteful number, since it uses less digits than its factorization.

20203012454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994150.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20203012454 its reverse (45421030202), we get a palindrome (65624042656).

The spelling of 20203012454 in words is "twenty billion, two hundred three million, twelve thousand, four hundred fifty-four".