20702503034 has 8 divisors (see below), whose sum is σ = 31067038080. Its totient is φ = 10346823676.

The previous prime is 20702503013. The next prime is 20702503169. The reversal of 20702503034 is 43030520702.

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 = 20702502994 and 20702503012.

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, 2208074 + ... + 2217429.

It is an arithmetic number, because the mean of its divisors is an integer number (3883379760).

Almost surely, 2^20702503034 is an apocalyptic number.

20702503034 is a deficient number, since it is larger than the sum of its proper divisors (10364535046).

20702503034 is a wasteful number, since it uses less digits than its factorization.

20702503034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427844.

The product of its (nonzero) digits is 5040, while the sum is 26.

The spelling of 20702503034 in words is "twenty billion, seven hundred two million, five hundred three thousand, thirty-four".