20157054362450 has 24 divisors (see below), whose sum is σ = 37495150952880. Its totient is φ = 8062170166800.

The previous prime is 20157054362351. The next prime is 20157054362477. The reversal of 20157054362450 is 5426345075102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15664316 + ... + 16902215.

It is an arithmetic number, because the mean of its divisors is an integer number (1562297956370).

Almost surely, 2^{20157054362450} is an apocalyptic number.

20157054362450 is a deficient number, since it is larger than the sum of its proper divisors (17338096590430).

20157054362450 is a wasteful number, since it uses less digits than its factorization.

20157054362450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32578922 (or 32578917 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 20157054362450 in words is "twenty trillion, one hundred fifty-seven billion, fifty-four million, three hundred sixty-two thousand, four hundred fifty".