20103772435 has 8 divisors (see below), whose sum is σ = 24484594896. Its totient is φ = 15842972640.

The previous prime is 20103772427. The next prime is 20103772487. The reversal of 20103772435 is 53427730102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20103772435 - 2³ = 20103772427 is a prime.

It is a super-2 number, since 2×20103772435² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20103772435.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30005296 + ... + 30005965.

It is an arithmetic number, because the mean of its divisors is an integer number (3060574362).

Almost surely, 2^20103772435 is an apocalyptic number.

20103772435 is a deficient number, since it is larger than the sum of its proper divisors (4380822461).

20103772435 is an equidigital number, since it uses as much as digits as its factorization.

20103772435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60011333.

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 20103772435 in words is "twenty billion, one hundred three million, seven hundred seventy-two thousand, four hundred thirty-five".