20434100970 has 16 divisors (see below), whose sum is σ = 49041842400. Its totient is φ = 5449093584.

The previous prime is 20434100941. The next prime is 20434100971. The reversal of 20434100970 is 7900143402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 681136699 = 20434100970 / (2 + 0 + 4 + 3 + 4 + 1 + 0 + 0 + 9 + 7 + 0).

It is not an unprimeable number, because it can be changed into a prime (20434100971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340568320 + ... + 340568379.

It is an arithmetic number, because the mean of its divisors is an integer number (3065115150).

Almost surely, 2^20434100970 is an apocalyptic number.

20434100970 is an abundant number, since it is smaller than the sum of its proper divisors (28607741430).

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

20434100970 is a wasteful number, since it uses less digits than its factorization.

20434100970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681136709.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 20434100970 in words is "twenty billion, four hundred thirty-four million, one hundred thousand, nine hundred seventy".