20041545254 has 4 divisors (see below), whose sum is σ = 30062317884. Its totient is φ = 10020772626.

The previous prime is 20041545217. The next prime is 20041545263. The reversal of 20041545254 is 45254514002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20041545254.

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, 5010386312 + ... + 5010386315.

It is an arithmetic number, because the mean of its divisors is an integer number (7515579471).

Almost surely, 2^20041545254 is an apocalyptic number.

20041545254 is a deficient number, since it is larger than the sum of its proper divisors (10020772630).

20041545254 is a wasteful number, since it uses less digits than its factorization.

20041545254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10020772629.

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 20041545254 in words is "twenty billion, forty-one million, five hundred forty-five thousand, two hundred fifty-four".