20454510030 has 32 divisors (see below), whose sum is σ = 49094701344. Its totient is φ = 5454105216.

The previous prime is 20454510017. The next prime is 20454510031. The reversal of 20454510030 is 3001545402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20454510031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593964 + ... + 627456.

It is an arithmetic number, because the mean of its divisors is an integer number (1534209417).

Almost surely, 2^20454510030 is an apocalyptic number.

20454510030 is an abundant number, since it is smaller than the sum of its proper divisors (28640191314).

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

20454510030 is a wasteful number, since it uses less digits than its factorization.

20454510030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53860.

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 20454510030 in words is "twenty billion, four hundred fifty-four million, five hundred ten thousand, thirty".