20002036870 has 16 divisors (see below), whose sum is σ = 36046594080. Its totient is φ = 7991275264.

The previous prime is 20002036849. The next prime is 20002036889. The reversal of 20002036870 is 7863020002.

It is a super-3 number, since 3×20002036870³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183627 + ... + 1200406.

It is an arithmetic number, because the mean of its divisors is an integer number (2252912130).

Almost surely, 2^20002036870 is an apocalyptic number.

20002036870 is a deficient number, since it is larger than the sum of its proper divisors (16044557210).

20002036870 is a wasteful number, since it uses less digits than its factorization.

20002036870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384879.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 20002036870 its reverse (7863020002), we get a palindrome (27865056872).

The spelling of 20002036870 in words is "twenty billion, two million, thirty-six thousand, eight hundred seventy".