20010111454 has 8 divisors (see below), whose sum is σ = 30507219288. Its totient is φ = 9841038360.

The previous prime is 20010111449. The next prime is 20010111461. The reversal of 20010111454 is 45411101002.

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, 82008532 + ... + 82008775.

It is an arithmetic number, because the mean of its divisors is an integer number (3813402411).

Almost surely, 2^20010111454 is an apocalyptic number.

20010111454 is a deficient number, since it is larger than the sum of its proper divisors (10497107834).

20010111454 is a wasteful number, since it uses less digits than its factorization.

20010111454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164017370.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 20010111454 its reverse (45411101002), we get a palindrome (65421212456).

The spelling of 20010111454 in words is "twenty billion, ten million, one hundred eleven thousand, four hundred fifty-four".