20351685034 has 8 divisors (see below), whose sum is σ = 30561187968. Its totient is φ = 10164622380.

The previous prime is 20351684993. The next prime is 20351685049. The reversal of 20351685034 is 43058615302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20351684984 and 20351685002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5607802 + ... + 5611429.

It is an arithmetic number, because the mean of its divisors is an integer number (3820148496).

Almost surely, 2^20351685034 is an apocalyptic number.

20351685034 is a deficient number, since it is larger than the sum of its proper divisors (10209502934).

20351685034 is a wasteful number, since it uses less digits than its factorization.

20351685034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220140.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 20351685034 in words is "twenty billion, three hundred fifty-one million, six hundred eighty-five thousand, thirty-four".