20355501030 has 32 divisors (see below), whose sum is σ = 49471603200. Its totient is φ = 5359422432.

The previous prime is 20355501017. The next prime is 20355501043. The reversal of 20355501030 is 3010555302.

It is an interprime number because it is at equal distance from previous prime (20355501017) and next prime (20355501043).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4292040 + ... + 4296779.

It is an arithmetic number, because the mean of its divisors is an integer number (1545987600).

Almost surely, 2^20355501030 is an apocalyptic number.

20355501030 is an abundant number, since it is smaller than the sum of its proper divisors (29116102170).

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

20355501030 is a wasteful number, since it uses less digits than its factorization.

20355501030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8588908.

The product of its (nonzero) digits is 2250, while the sum is 24.

The spelling of 20355501030 in words is "twenty billion, three hundred fifty-five million, five hundred one thousand, thirty".