20330623470 has 32 divisors (see below), whose sum is σ = 50112242208. Its totient is φ = 5274972288.

The previous prime is 20330623441. The next prime is 20330623499. The reversal of 20330623470 is 7432603302.

It is an interprime number because it is at equal distance from previous prime (20330623441) and next prime (20330623499).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 9156829 + ... + 9159048.

It is an arithmetic number, because the mean of its divisors is an integer number (1566007569).

Almost surely, 2^20330623470 is an apocalyptic number.

20330623470 is an abundant number, since it is smaller than the sum of its proper divisors (29781618738).

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

20330623470 is a wasteful number, since it uses less digits than its factorization.

20330623470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18315924.

The product of its (nonzero) digits is 18144, while the sum is 30.

The spelling of 20330623470 in words is "twenty billion, three hundred thirty million, six hundred twenty-three thousand, four hundred seventy".