20435063470 has 16 divisors (see below), whose sum is σ = 36789668928. Its totient is φ = 8172568800.

The previous prime is 20435063399. The next prime is 20435063471. The reversal of 20435063470 is 7436053402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20435063471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122214 + ... + 236233.

It is an arithmetic number, because the mean of its divisors is an integer number (2299354308).

Almost surely, 2^20435063470 is an apocalyptic number.

20435063470 is a deficient number, since it is larger than the sum of its proper divisors (16354605458).

20435063470 is a wasteful number, since it uses less digits than its factorization.

20435063470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364155.

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 20435063470 in words is "twenty billion, four hundred thirty-five million, sixty-three thousand, four hundred seventy".