20460243070 has 32 divisors (see below), whose sum is σ = 39061437408. Its totient is φ = 7689520128.

The previous prime is 20460243061. The next prime is 20460243107. The reversal of 20460243070 is 7034206402.

It is a congruent number.

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, 2727 + ... + 202306.

It is an arithmetic number, because the mean of its divisors is an integer number (1220669919).

Almost surely, 2^20460243070 is an apocalyptic number.

20460243070 is a deficient number, since it is larger than the sum of its proper divisors (18601194338).

20460243070 is a wasteful number, since it uses less digits than its factorization.

20460243070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205644.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 20460243070 its reverse (7034206402), we get a palindrome (27494449472).

The spelling of 20460243070 in words is "twenty billion, four hundred sixty million, two hundred forty-three thousand, seventy".