420687074305 has 16 divisors (see below), whose sum is σ = 524303850240. Its totient is φ = 323806152832.

The previous prime is 420687074239. The next prime is 420687074323. The reversal of 420687074305 is 503470786024.

It is a cyclic number.

It is not a de Polignac number, because 420687074305 - 2¹³ = 420687066113 is a prime.

It is a super-2 number, since 2×420687074305² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15156964 + ... + 15184693.

It is an arithmetic number, because the mean of its divisors is an integer number (32768990640).

Almost surely, 2^420687074305 is an apocalyptic number.

It is an amenable number.

420687074305 is a deficient number, since it is larger than the sum of its proper divisors (103616775935).

420687074305 is a wasteful number, since it uses less digits than its factorization.

420687074305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30341768.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 420687074305 in words is "four hundred twenty billion, six hundred eighty-seven million, seventy-four thousand, three hundred five".