20503514470 has 16 divisors (see below), whose sum is σ = 36912244320. Its totient is φ = 8200090624.

The previous prime is 20503514467. The next prime is 20503514477. The reversal of 20503514470 is 7441530502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20503514477) by changing a digit.

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, 97627 + ... + 224806.

It is an arithmetic number, because the mean of its divisors is an integer number (2307015270).

Almost surely, 2^20503514470 is an apocalyptic number.

20503514470 is a deficient number, since it is larger than the sum of its proper divisors (16408729850).

20503514470 is a wasteful number, since it uses less digits than its factorization.

20503514470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328799.

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 20503514470 in words is "twenty billion, five hundred three million, five hundred fourteen thousand, four hundred seventy".