20025203450428 has 12 divisors (see below), whose sum is σ = 38229933859992. Its totient is φ = 9102365204720.

The previous prime is 20025203450359. The next prime is 20025203450429. The reversal of 20025203450428 is 82405430252002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025203450429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227559130075 + ... + 227559130162.

It is an arithmetic number, because the mean of its divisors is an integer number (3185827821666).

Almost surely, 2^{20025203450428} is an apocalyptic number.

It is an amenable number.

20025203450428 is a deficient number, since it is larger than the sum of its proper divisors (18204730409564).

20025203450428 is a wasteful number, since it uses less digits than its factorization.

20025203450428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455118260252 (or 455118260250 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 20025203450428 in words is "twenty trillion, twenty-five billion, two hundred three million, four hundred fifty thousand, four hundred twenty-eight".