20420002345612 has 12 divisors (see below), whose sum is σ = 35806617343000. Its totient is φ = 10189540247616.

The previous prime is 20420002345609. The next prime is 20420002345637. The reversal of 20420002345612 is 21654320002402.

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, 5115229053 + ... + 5115233044.

Almost surely, 2^{20420002345612} is an apocalyptic number.

It is an amenable number.

20420002345612 is a deficient number, since it is larger than the sum of its proper divisors (15386614997388).

20420002345612 is a wasteful number, since it uses less digits than its factorization.

20420002345612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10230462600 (or 10230462598 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 20420002345612 in words is "twenty trillion, four hundred twenty billion, two million, three hundred forty-five thousand, six hundred twelve".