19420701 has 16 divisors (see below), whose sum is σ = 26640000. Its totient is φ = 12579840.

The previous prime is 19420699. The next prime is 19420703. The reversal of 19420701 is 10702491.

It is an interprime number because it is at equal distance from previous prime (19420699) and next prime (19420703).

It is not a de Polignac number, because 19420701 - 2¹ = 19420699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19420703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14925 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (1665000).

Almost surely, 2^19420701 is an apocalyptic number.

It is an amenable number.

19420701 is a deficient number, since it is larger than the sum of its proper divisors (7219299).

19420701 is a wasteful number, since it uses less digits than its factorization.

19420701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 19420701 is about 4406.8924425268. The cubic root of 19420701 is about 268.7952773184.

The spelling of 19420701 in words is "nineteen million, four hundred twenty thousand, seven hundred one".