4020372020502 has 16 divisors (see below), whose sum is σ = 8934160045680. Its totient is φ = 1340124006816.

The previous prime is 4020372020479. The next prime is 4020372020537. The reversal of 4020372020502 is 2050202730204.

4020372020502 is a `hidden beast` number, since 402 + 0 + 3 + 7 + 202 + 0 + 50 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 37225666803 + ... + 37225666910.

It is an arithmetic number, because the mean of its divisors is an integer number (558385002855).

Almost surely, 2^{4020372020502} is an apocalyptic number.

4020372020502 is an abundant number, since it is smaller than the sum of its proper divisors (4913788025178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4020372020502 is a wasteful number, since it uses less digits than its factorization.

4020372020502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74451333724 (or 74451333718 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

Adding to 4020372020502 its reverse (2050202730204), we get a palindrome (6070574750706).

The spelling of 4020372020502 in words is "four trillion, twenty billion, three hundred seventy-two million, twenty thousand, five hundred two".