20456451620150 has 48 divisors (see below), whose sum is σ = 46829538488544. Its totient is φ = 6474129742080.

The previous prime is 20456451620131. The next prime is 20456451620183. The reversal of 20456451620150 is 5102615465402.

It is a junction number, because it is equal to n+sod(n) for n = 20456451620098 and 20456451620107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2247957167 + ... + 2247966266.

It is an arithmetic number, because the mean of its divisors is an integer number (975615385178).

Almost surely, 2^{20456451620150} is an apocalyptic number.

20456451620150 is an abundant number, since it is smaller than the sum of its proper divisors (26373086868394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20456451620150 is a wasteful number, since it uses less digits than its factorization.

20456451620150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495923465 (or 4495923460 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 20456451620150 in words is "twenty trillion, four hundred fifty-six billion, four hundred fifty-one million, six hundred twenty thousand, one hundred fifty".