20263002470 has 16 divisors (see below), whose sum is σ = 36705721968. Its totient is φ = 8053574880.

The previous prime is 20263002469. The next prime is 20263002479. The reversal of 20263002470 is 7420036202.

It is a super-2 number, since 2×20263002470² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20263002479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6451616 + ... + 6454755.

It is an arithmetic number, because the mean of its divisors is an integer number (2294107623).

Almost surely, 2^20263002470 is an apocalyptic number.

20263002470 is a deficient number, since it is larger than the sum of its proper divisors (16442719498).

20263002470 is a wasteful number, since it uses less digits than its factorization.

20263002470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12906535.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 20263002470 its reverse (7420036202), we get a palindrome (27683038672).

The spelling of 20263002470 in words is "twenty billion, two hundred sixty-three million, two thousand, four hundred seventy".