20924841254 has 16 divisors (see below), whose sum is σ = 31834653696. Its totient is φ = 10313339400.

The previous prime is 20924841247. The next prime is 20924841257. The reversal of 20924841254 is 45214842902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20924841257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1451309 + ... + 1465655.

It is an arithmetic number, because the mean of its divisors is an integer number (1989665856).

Almost surely, 2^20924841254 is an apocalyptic number.

20924841254 is a deficient number, since it is larger than the sum of its proper divisors (10909812442).

20924841254 is a wasteful number, since it uses less digits than its factorization.

20924841254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24691.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 20924841254 in words is "twenty billion, nine hundred twenty-four million, eight hundred forty-one thousand, two hundred fifty-four".